gnu: libtiff: Fix CVE-2016-{10092,10093,10094} and others.
* gnu/packages/patches/libtiff-CVE-2016-10092.patch, gnu/packages/patches/libtiff-CVE-2016-10093.patch, gnu/packages/patches/libtiff-CVE-2016-10094.patch, gnu/packages/patches/libtiff-assertion-failure.patch, gnu/packages/patches/libtiff-divide-by-zero-ojpeg.patch, gnu/packages/patches/libtiff-divide-by-zero-tiffcp.patch, gnu/packages/patches/libtiff-divide-by-zero-tiffcrop.patch, gnu/packages/patches/libtiff-divide-by-zero.patch, gnu/packages/patches/libtiff-heap-overflow-pixarlog-luv.patch, gnu/packages/patches/libtiff-heap-overflow-tif-dirread.patch, gnu/packages/patches/libtiff-heap-overflow-tiffcp.patch, gnu/packages/patches/libtiff-heap-overflow-tiffcrop.patch, gnu/packages/patches/libtiff-invalid-read.patch, gnu/packages/patches/libtiff-null-dereference.patch, gnu/packages/patches/libtiff-tiffcp-underflow.patch: New files. * gnu/local.mk (dist_patch_DATA): Add them. * gnu/packages/image.scm (libtiff)[replacement]: New field. (libtiff/fixed): New variable.master
Leo Famulari
parent
8966c6b439
commit
4b96149d8b
15
gnu/local.mk
15
gnu/local.mk
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@ -683,6 +683,21 @@ dist_patch_DATA = \
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%D%/packages/patches/libssh-0.6.5-CVE-2016-0739.patch \
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%D%/packages/patches/libtar-CVE-2013-4420.patch \
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%D%/packages/patches/libtheora-config-guess.patch \
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%D%/packages/patches/libtiff-CVE-2016-10092.patch \
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%D%/packages/patches/libtiff-CVE-2016-10093.patch \
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%D%/packages/patches/libtiff-CVE-2016-10094.patch \
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%D%/packages/patches/libtiff-assertion-failure.patch \
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%D%/packages/patches/libtiff-divide-by-zero-ojpeg.patch \
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%D%/packages/patches/libtiff-divide-by-zero-tiffcp.patch \
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%D%/packages/patches/libtiff-divide-by-zero-tiffcrop.patch \
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%D%/packages/patches/libtiff-divide-by-zero.patch \
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%D%/packages/patches/libtiff-heap-overflow-pixarlog-luv.patch \
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%D%/packages/patches/libtiff-heap-overflow-tif-dirread.patch \
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%D%/packages/patches/libtiff-heap-overflow-tiffcp.patch \
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%D%/packages/patches/libtiff-heap-overflow-tiffcrop.patch \
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%D%/packages/patches/libtiff-invalid-read.patch \
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%D%/packages/patches/libtiff-null-dereference.patch \
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%D%/packages/patches/libtiff-tiffcp-underflow.patch \
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%D%/packages/patches/libtool-skip-tests2.patch \
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%D%/packages/patches/libunwind-CVE-2015-3239.patch \
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%D%/packages/patches/libupnp-CVE-2016-6255.patch \
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@ -8,6 +8,7 @@
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;;; Copyright © 2015 Amirouche Boubekki <amirouche@hypermove.net>
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;;; Copyright © 2014 John Darrington <jmd@gnu.org>
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;;; Copyright © 2016 Leo Famulari <leo@famulari.name>
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;;; Copyright © 2016, 2017 Leo Famulari <leo@famulari.name>
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;;; Copyright © 2016, 2017 Efraim Flashner <efraim@flashner.co.il>
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;;; Copyright © 2016 Tobias Geerinckx-Rice <me@tobias.gr>
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;;; Copyright © 2016 Eric Bavier <bavier@member.fsf.org>
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@ -258,6 +259,7 @@ extracting icontainer icon files.")
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(define-public libtiff
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(package
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(name "libtiff")
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(replacement libtiff/fixed)
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(version "4.0.7")
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(source (origin
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(method url-fetch)
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@ -290,6 +292,28 @@ collection of tools for doing simple manipulations of TIFF images.")
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"See COPYRIGHT in the distribution."))
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(home-page "http://www.simplesystems.org/libtiff/")))
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(define libtiff/fixed
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(package
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(inherit libtiff)
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(source
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(origin
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(inherit (package-source libtiff))
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(patches (search-patches "libtiff-heap-overflow-tiffcp.patch"
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"libtiff-null-dereference.patch"
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"libtiff-heap-overflow-tif-dirread.patch"
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"libtiff-heap-overflow-pixarlog-luv.patch"
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"libtiff-divide-by-zero.patch"
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"libtiff-divide-by-zero-ojpeg.patch"
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"libtiff-tiffcp-underflow.patch"
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"libtiff-invalid-read.patch"
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"libtiff-CVE-2016-10092.patch"
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"libtiff-heap-overflow-tiffcrop.patch"
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"libtiff-divide-by-zero-tiffcrop.patch"
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"libtiff-CVE-2016-10093.patch"
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"libtiff-divide-by-zero-tiffcp.patch"
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"libtiff-assertion-failure.patch"
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"libtiff-CVE-2016-10094.patch"))))))
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(define-public libwmf
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(package
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(name "libwmf")
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@ -0,0 +1,42 @@
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Fix CVE-2016-10092:
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http://bugzilla.maptools.org/show_bug.cgi?id=2620
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https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-10092
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https://security-tracker.debian.org/tracker/CVE-2016-10092
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2016-12-03 Even Rouault <even.rouault at spatialys.com>
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* tools/tiffcrop.c: fix readContigStripsIntoBuffer() in -i (ignore)
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mode so that the output buffer is correctly incremented to avoid write
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outside bounds.
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Reported by Agostino Sarubbo.
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Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2620
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/cvs/maptools/cvsroot/libtiff/ChangeLog,v <-- ChangeLog
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new revision: 1.1178; previous revision: 1.1177
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/cvs/maptools/cvsroot/libtiff/tools/tiffcrop.c,v <-- tools/tiffcrop.c
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new revision: 1.47; previous revision: 1.46
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Index: libtiff/tools/tiffcrop.c
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===================================================================
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RCS file: /cvs/maptools/cvsroot/libtiff/tools/tiffcrop.c,v
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retrieving revision 1.46
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retrieving revision 1.47
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diff -u -r1.46 -r1.47
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--- libtiff/tools/tiffcrop.c 18 Nov 2016 14:58:46 -0000 1.46
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+++ libtiff/tools/tiffcrop.c 3 Dec 2016 11:35:56 -0000 1.47
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@@ -1,4 +1,4 @@
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-/* $Id: tiffcrop.c,v 1.46 2016-11-18 14:58:46 erouault Exp $ */
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+/* $Id: tiffcrop.c,v 1.47 2016-12-03 11:35:56 erouault Exp $ */
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/* tiffcrop.c -- a port of tiffcp.c extended to include manipulations of
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* the image data through additional options listed below
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@@ -3698,7 +3698,7 @@
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(unsigned long) strip, (unsigned long)rows);
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return 0;
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}
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- bufp += bytes_read;
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+ bufp += stripsize;
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}
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return 1;
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@ -0,0 +1,53 @@
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Fix CVE-2016-10093:
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http://bugzilla.maptools.org/show_bug.cgi?id=2610
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https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-10093
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https://security-tracker.debian.org/tracker/CVE-2016-10093
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2016-12-03 Even Rouault <even.rouault at spatialys.com>
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* tools/tiffcp.c: fix uint32 underflow/overflow that can cause
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heap-based buffer overflow.
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Reported by Agostino Sarubbo.
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Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2610
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/cvs/maptools/cvsroot/libtiff/ChangeLog,v <-- ChangeLog
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new revision: 1.1187; previous revision: 1.1186
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/cvs/maptools/cvsroot/libtiff/tools/tiffcp.c,v <-- tools/tiffcp.c
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new revision: 1.59; previous revision: 1.58
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Index: libtiff/tools/tiffcp.c
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===================================================================
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RCS file: /cvs/maptools/cvsroot/libtiff/tools/tiffcp.c,v
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retrieving revision 1.58
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retrieving revision 1.59
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diff -u -r1.58 -r1.59
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--- libtiff/tools/tiffcp.c 3 Dec 2016 15:44:15 -0000 1.58
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+++ libtiff/tools/tiffcp.c 3 Dec 2016 16:40:01 -0000 1.59
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@@ -1163,7 +1163,7 @@
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static void
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cpStripToTile(uint8* out, uint8* in,
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- uint32 rows, uint32 cols, int outskew, int inskew)
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+ uint32 rows, uint32 cols, int outskew, int64 inskew)
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{
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while (rows-- > 0) {
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uint32 j = cols;
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@@ -1320,7 +1320,7 @@
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tdata_t tilebuf;
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uint32 imagew = TIFFScanlineSize(in);
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uint32 tilew = TIFFTileRowSize(in);
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- int iskew = imagew - tilew;
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+ int64 iskew = (int64)imagew - (int64)tilew;
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uint8* bufp = (uint8*) buf;
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uint32 tw, tl;
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uint32 row;
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@@ -1348,7 +1348,7 @@
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status = 0;
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goto done;
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}
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- if (colb + tilew > imagew) {
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+ if (colb > iskew) {
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uint32 width = imagew - colb;
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uint32 oskew = tilew - width;
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cpStripToTile(bufp + colb,
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@ -0,0 +1,34 @@
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Fix CVE-2016-10094:
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http://bugzilla.maptools.org/show_bug.cgi?id=2640
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https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-10094
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https://security-tracker.debian.org/tracker/CVE-2016-10094
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2016-12-20 Even Rouault <even.rouault at spatialys.com>
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* tools/tiff2pdf.c: avoid potential heap-based overflow in
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t2p_readwrite_pdf_image_tile().
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Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2640
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/cvs/maptools/cvsroot/libtiff/ChangeLog,v <-- ChangeLog
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new revision: 1.1199; previous revision: 1.1198
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/cvs/maptools/cvsroot/libtiff/tools/tiff2pdf.c,v <-- tools/tiff2pdf.c
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new revision: 1.101; previous revision: 1.100
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Index: libtiff/tools/tiff2pdf.c
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===================================================================
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RCS file: /cvs/maptools/cvsroot/libtiff/tools/tiff2pdf.c,v
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retrieving revision 1.100
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retrieving revision 1.101
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diff -u -r1.100 -r1.101
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--- libtiff/tools/tiff2pdf.c 20 Dec 2016 17:24:35 -0000 1.100
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+++ libtiff/tools/tiff2pdf.c 20 Dec 2016 17:28:17 -0000 1.101
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@@ -2895,7 +2895,7 @@
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return(0);
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}
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if(TIFFGetField(input, TIFFTAG_JPEGTABLES, &count, &jpt) != 0) {
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- if (count >= 4) {
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+ if (count > 4) {
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int retTIFFReadRawTile;
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/* Ignore EOI marker of JpegTables */
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_TIFFmemcpy(buffer, jpt, count - 2);
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@ -0,0 +1,60 @@
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Fix assertion failure in readSeparateTilesIntoBuffer():
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http://bugzilla.maptools.org/show_bug.cgi?id=2605
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2016-12-03 Even Rouault <even.rouault at spatialys.com>
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* tools/tiffcp.c: replace assert( (bps % 8) == 0 ) by a non assert
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check.
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Reported by Agostino Sarubbo.
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Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2605
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/cvs/maptools/cvsroot/libtiff/ChangeLog,v <-- ChangeLog
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new revision: 1.1188; previous revision: 1.1187
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/cvs/maptools/cvsroot/libtiff/tools/tiffcp.c,v <-- tools/tiffcp.c
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new revision: 1.60; previous revision: 1.59
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Index: libtiff/tools/tiffcp.c
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===================================================================
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RCS file: /cvs/maptools/cvsroot/libtiff/tools/tiffcp.c,v
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retrieving revision 1.59
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retrieving revision 1.60
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diff -u -r1.59 -r1.60
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--- libtiff/tools/tiffcp.c 3 Dec 2016 16:40:01 -0000 1.59
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+++ libtiff/tools/tiffcp.c 3 Dec 2016 16:50:02 -0000 1.60
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@@ -45,7 +45,6 @@
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#include <string.h>
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#include <ctype.h>
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-#include <assert.h>
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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@@ -1393,7 +1392,12 @@
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status = 0;
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goto done;
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}
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- assert( bps % 8 == 0 );
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+ if( (bps % 8) != 0 )
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+ {
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+ TIFFError(TIFFFileName(in), "Error, cannot handle BitsPerSample that is not a multiple of 8");
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+ status = 0;
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+ goto done;
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+ }
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bytes_per_sample = bps/8;
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for (row = 0; row < imagelength; row += tl) {
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@@ -1584,7 +1588,12 @@
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_TIFFfree(obuf);
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return 0;
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}
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- assert( bps % 8 == 0 );
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+ if( (bps % 8) != 0 )
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+ {
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+ TIFFError(TIFFFileName(out), "Error, cannot handle BitsPerSample that is not a multiple of 8");
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+ _TIFFfree(obuf);
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+ return 0;
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+ }
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bytes_per_sample = bps/8;
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for (row = 0; row < imagelength; row += tl) {
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@ -0,0 +1,63 @@
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Fix divide-by-zero in OJPEGDecodeRaw():
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http://bugzilla.maptools.org/show_bug.cgi?id=2611
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2016-12-03 Even Rouault <even.rouault at spatialys.com>
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* libtiff/tif_ojpeg.c: make OJPEGDecode() early exit in case of failure
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in
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OJPEGPreDecode(). This will avoid a divide by zero, and potential other
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issues.
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Reported by Agostino Sarubbo.
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Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2611
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/cvs/maptools/cvsroot/libtiff/ChangeLog,v <-- ChangeLog
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new revision: 1.1177; previous revision: 1.1176
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/cvs/maptools/cvsroot/libtiff/libtiff/tif_ojpeg.c,v <-- libtiff/tif_ojpeg.c
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new revision: 1.66; previous revision: 1.65
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Index: libtiff/libtiff/tif_ojpeg.c
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===================================================================
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RCS file: /cvs/maptools/cvsroot/libtiff/libtiff/tif_ojpeg.c,v
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retrieving revision 1.65
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retrieving revision 1.66
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diff -u -r1.65 -r1.66
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--- libtiff/libtiff/tif_ojpeg.c 4 Sep 2016 21:32:56 -0000 1.65
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+++ libtiff/libtiff/tif_ojpeg.c 3 Dec 2016 11:15:18 -0000 1.66
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@@ -1,4 +1,4 @@
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-/* $Id: tif_ojpeg.c,v 1.65 2016-09-04 21:32:56 erouault Exp $ */
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+/* $Id: tif_ojpeg.c,v 1.66 2016-12-03 11:15:18 erouault Exp $ */
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/* WARNING: The type of JPEG encapsulation defined by the TIFF Version 6.0
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specification is now totally obsolete and deprecated for new applications and
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@@ -244,6 +244,7 @@
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typedef struct {
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TIFF* tif;
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+ int decoder_ok;
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#ifndef LIBJPEG_ENCAP_EXTERNAL
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JMP_BUF exit_jmpbuf;
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#endif
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@@ -722,6 +723,7 @@
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}
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sp->write_curstrile++;
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}
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+ sp->decoder_ok = 1;
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return(1);
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}
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@@ -784,8 +786,14 @@
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static int
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OJPEGDecode(TIFF* tif, uint8* buf, tmsize_t cc, uint16 s)
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{
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+ static const char module[]="OJPEGDecode";
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OJPEGState* sp=(OJPEGState*)tif->tif_data;
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(void)s;
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+ if( !sp->decoder_ok )
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+ {
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+ TIFFErrorExt(tif->tif_clientdata,module,"Cannot decode: decoder not correctly initialized");
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+ return 0;
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+ }
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if (sp->libjpeg_jpeg_query_style==0)
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{
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if (OJPEGDecodeRaw(tif,buf,cc)==0)
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@ -0,0 +1,104 @@
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Fix two divide-by-zero bugs in readSeparateTilesIntoBuffer():
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http://bugzilla.maptools.org/show_bug.cgi?id=2597
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http://bugzilla.maptools.org/show_bug.cgi?id=2607
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2016-12-03 Even Rouault <even.rouault at spatialys.com>
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* tools/tiffcp.c: avoid potential division by zero is BitsPerSamples
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tag is
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missing.
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Reported by Agostino sarubbo.
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Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2597
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/cvs/maptools/cvsroot/libtiff/ChangeLog,v <-- ChangeLog
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new revision: 1.1183; previous revision: 1.1182
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/cvs/maptools/cvsroot/libtiff/tools/tiffcp.c,v <-- tools/tiffcp.c
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new revision: 1.57; previous revision: 1.56
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Index: libtiff/tools/tiffcp.c
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===================================================================
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RCS file: /cvs/maptools/cvsroot/libtiff/tools/tiffcp.c,v
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retrieving revision 1.56
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retrieving revision 1.57
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diff -u -r1.56 -r1.57
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--- libtiff/tools/tiffcp.c 2 Dec 2016 22:13:32 -0000 1.56
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+++ libtiff/tools/tiffcp.c 3 Dec 2016 14:42:40 -0000 1.57
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@@ -1,4 +1,4 @@
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-/* $Id: tiffcp.c,v 1.56 2016-12-02 22:13:32 erouault Exp $ */
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+/* $Id: tiffcp.c,v 1.57 2016-12-03 14:42:40 erouault Exp $ */
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/*
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* Copyright (c) 1988-1997 Sam Leffler
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@@ -1378,7 +1378,7 @@
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uint8* bufp = (uint8*) buf;
|
||||
uint32 tw, tl;
|
||||
uint32 row;
|
||||
- uint16 bps, bytes_per_sample;
|
||||
+ uint16 bps = 0, bytes_per_sample;
|
||||
|
||||
tilebuf = _TIFFmalloc(tilesize);
|
||||
if (tilebuf == 0)
|
||||
@@ -1387,6 +1387,12 @@
|
||||
(void) TIFFGetField(in, TIFFTAG_TILEWIDTH, &tw);
|
||||
(void) TIFFGetField(in, TIFFTAG_TILELENGTH, &tl);
|
||||
(void) TIFFGetField(in, TIFFTAG_BITSPERSAMPLE, &bps);
|
||||
+ if( bps == 0 )
|
||||
+ {
|
||||
+ TIFFError(TIFFFileName(in), "Error, cannot read BitsPerSample");
|
||||
+ status = 0;
|
||||
+ goto done;
|
||||
+ }
|
||||
assert( bps % 8 == 0 );
|
||||
bytes_per_sample = bps/8;
|
||||
|
||||
2016-12-03 Even Rouault <even.rouault at spatialys.com>
|
||||
|
||||
* tools/tiffcp.c: avoid potential division by zero is BitsPerSamples
|
||||
tag is
|
||||
missing.
|
||||
Reported by Agostino Sarubbo.
|
||||
Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2607
|
||||
|
||||
|
||||
/cvs/maptools/cvsroot/libtiff/ChangeLog,v <-- ChangeLog
|
||||
new revision: 1.1186; previous revision: 1.1185
|
||||
/cvs/maptools/cvsroot/libtiff/tools/tiffcp.c,v <-- tools/tiffcp.c
|
||||
new revision: 1.58; previous revision: 1.57
|
||||
|
||||
Index: libtiff/tools/tiffcp.c
|
||||
===================================================================
|
||||
RCS file: /cvs/maptools/cvsroot/libtiff/tools/tiffcp.c,v
|
||||
retrieving revision 1.57
|
||||
retrieving revision 1.58
|
||||
diff -u -r1.57 -r1.58
|
||||
--- libtiff/tools/tiffcp.c 3 Dec 2016 14:42:40 -0000 1.57
|
||||
+++ libtiff/tools/tiffcp.c 3 Dec 2016 15:44:15 -0000 1.58
|
||||
@@ -1,4 +1,4 @@
|
||||
-/* $Id: tiffcp.c,v 1.57 2016-12-03 14:42:40 erouault Exp $ */
|
||||
+/* $Id: tiffcp.c,v 1.58 2016-12-03 15:44:15 erouault Exp $ */
|
||||
|
||||
/*
|
||||
* Copyright (c) 1988-1997 Sam Leffler
|
||||
@@ -1569,7 +1569,7 @@
|
||||
uint8* bufp = (uint8*) buf;
|
||||
uint32 tl, tw;
|
||||
uint32 row;
|
||||
- uint16 bps, bytes_per_sample;
|
||||
+ uint16 bps = 0, bytes_per_sample;
|
||||
|
||||
obuf = _TIFFmalloc(TIFFTileSize(out));
|
||||
if (obuf == NULL)
|
||||
@@ -1578,6 +1578,12 @@
|
||||
(void) TIFFGetField(out, TIFFTAG_TILELENGTH, &tl);
|
||||
(void) TIFFGetField(out, TIFFTAG_TILEWIDTH, &tw);
|
||||
(void) TIFFGetField(out, TIFFTAG_BITSPERSAMPLE, &bps);
|
||||
+ if( bps == 0 )
|
||||
+ {
|
||||
+ TIFFError(TIFFFileName(out), "Error, cannot read BitsPerSample");
|
||||
+ _TIFFfree(obuf);
|
||||
+ return 0;
|
||||
+ }
|
||||
assert( bps % 8 == 0 );
|
||||
bytes_per_sample = bps/8;
|
||||
|
||||
|
|
@ -0,0 +1,57 @@
|
|||
Fix divide-by-zero in readSeparateStripsIntoBuffer():
|
||||
|
||||
http://bugzilla.maptools.org/show_bug.cgi?id=2619
|
||||
|
||||
2016-12-03 Even Rouault <even.rouault at spatialys.com>
|
||||
|
||||
* tools/tiffcrop.c: fix integer division by zero when BitsPerSample is
|
||||
missing.
|
||||
Reported by Agostina Sarubo.
|
||||
Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2619
|
||||
|
||||
/cvs/maptools/cvsroot/libtiff/ChangeLog,v <-- ChangeLog
|
||||
new revision: 1.1180; previous revision: 1.1179
|
||||
/cvs/maptools/cvsroot/libtiff/tools/tiffcrop.c,v <-- tools/tiffcrop.c
|
||||
new revision: 1.49; previous revision: 1.48
|
||||
|
||||
Index: libtiff/tools/tiffcrop.c
|
||||
===================================================================
|
||||
RCS file: /cvs/maptools/cvsroot/libtiff/tools/tiffcrop.c,v
|
||||
retrieving revision 1.48
|
||||
retrieving revision 1.49
|
||||
diff -u -r1.48 -r1.49
|
||||
--- libtiff/tools/tiffcrop.c 3 Dec 2016 12:19:32 -0000 1.48
|
||||
+++ libtiff/tools/tiffcrop.c 3 Dec 2016 13:00:04 -0000 1.49
|
||||
@@ -1,4 +1,4 @@
|
||||
-/* $Id: tiffcrop.c,v 1.48 2016-12-03 12:19:32 erouault Exp $ */
|
||||
+/* $Id: tiffcrop.c,v 1.49 2016-12-03 13:00:04 erouault Exp $ */
|
||||
|
||||
/* tiffcrop.c -- a port of tiffcp.c extended to include manipulations of
|
||||
* the image data through additional options listed below
|
||||
@@ -1164,7 +1164,7 @@
|
||||
tdata_t obuf;
|
||||
|
||||
(void) TIFFGetFieldDefaulted(out, TIFFTAG_ROWSPERSTRIP, &rowsperstrip);
|
||||
- (void) TIFFGetField(out, TIFFTAG_BITSPERSAMPLE, &bps);
|
||||
+ (void) TIFFGetFieldDefaulted(out, TIFFTAG_BITSPERSAMPLE, &bps);
|
||||
bytes_per_sample = (bps + 7) / 8;
|
||||
if( width == 0 ||
|
||||
(uint32)bps * (uint32)spp > TIFF_UINT32_MAX / width ||
|
||||
@@ -4760,7 +4760,7 @@
|
||||
int i, bytes_per_sample, bytes_per_pixel, shift_width, result = 1;
|
||||
uint32 j;
|
||||
int32 bytes_read = 0;
|
||||
- uint16 bps, planar;
|
||||
+ uint16 bps = 0, planar;
|
||||
uint32 nstrips;
|
||||
uint32 strips_per_sample;
|
||||
uint32 src_rowsize, dst_rowsize, rows_processed, rps;
|
||||
@@ -4780,7 +4780,7 @@
|
||||
}
|
||||
|
||||
memset (srcbuffs, '\0', sizeof(srcbuffs));
|
||||
- TIFFGetField(in, TIFFTAG_BITSPERSAMPLE, &bps);
|
||||
+ TIFFGetFieldDefaulted(in, TIFFTAG_BITSPERSAMPLE, &bps);
|
||||
TIFFGetFieldDefaulted(in, TIFFTAG_PLANARCONFIG, &planar);
|
||||
TIFFGetFieldDefaulted(in, TIFFTAG_ROWSPERSTRIP, &rps);
|
||||
if (rps > length)
|
||||
|
|
@ -0,0 +1,67 @@
|
|||
Fix an integer overflow in TIFFReadEncodedStrip() that led to division-by-zero:
|
||||
|
||||
http://bugzilla.maptools.org/show_bug.cgi?id=2596
|
||||
|
||||
2016-12-02 Even Rouault <even.rouault at spatialys.com>
|
||||
|
||||
* libtiff/tif_read.c, libtiff/tiffiop.h: fix uint32 overflow in
|
||||
TIFFReadEncodedStrip() that caused an integer division by zero.
|
||||
Reported by Agostino Sarubbo.
|
||||
Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2596
|
||||
|
||||
|
||||
/cvs/maptools/cvsroot/libtiff/ChangeLog,v <-- ChangeLog
|
||||
new revision: 1.1173; previous revision: 1.1172
|
||||
/cvs/maptools/cvsroot/libtiff/libtiff/tif_read.c,v <-- libtiff/tif_read.c
|
||||
new revision: 1.50; previous revision: 1.49
|
||||
/cvs/maptools/cvsroot/libtiff/libtiff/tiffiop.h,v <-- libtiff/tiffiop.h
|
||||
new revision: 1.90; previous revision: 1.89
|
||||
|
||||
Index: libtiff/libtiff/tif_read.c
|
||||
===================================================================
|
||||
RCS file: /cvs/maptools/cvsroot/libtiff/libtiff/tif_read.c,v
|
||||
retrieving revision 1.49
|
||||
retrieving revision 1.50
|
||||
diff -u -r1.49 -r1.50
|
||||
--- libtiff/libtiff/tif_read.c 10 Jul 2016 18:00:21 -0000 1.49
|
||||
+++ libtiff/libtiff/tif_read.c 2 Dec 2016 21:56:56 -0000 1.50
|
||||
@@ -1,4 +1,4 @@
|
||||
-/* $Id: tif_read.c,v 1.49 2016-07-10 18:00:21 erouault Exp $ */
|
||||
+/* $Id: tif_read.c,v 1.50 2016-12-02 21:56:56 erouault Exp $ */
|
||||
|
||||
/*
|
||||
* Copyright (c) 1988-1997 Sam Leffler
|
||||
@@ -346,7 +346,7 @@
|
||||
rowsperstrip=td->td_rowsperstrip;
|
||||
if (rowsperstrip>td->td_imagelength)
|
||||
rowsperstrip=td->td_imagelength;
|
||||
- stripsperplane=((td->td_imagelength+rowsperstrip-1)/rowsperstrip);
|
||||
+ stripsperplane= TIFFhowmany_32_maxuint_compat(td->td_imagelength, rowsperstrip);
|
||||
stripinplane=(strip%stripsperplane);
|
||||
plane=(uint16)(strip/stripsperplane);
|
||||
rows=td->td_imagelength-stripinplane*rowsperstrip;
|
||||
Index: libtiff/libtiff/tiffiop.h
|
||||
===================================================================
|
||||
RCS file: /cvs/maptools/cvsroot/libtiff/libtiff/tiffiop.h,v
|
||||
retrieving revision 1.89
|
||||
retrieving revision 1.90
|
||||
diff -u -r1.89 -r1.90
|
||||
--- libtiff/libtiff/tiffiop.h 23 Jan 2016 21:20:34 -0000 1.89
|
||||
+++ libtiff/libtiff/tiffiop.h 2 Dec 2016 21:56:56 -0000 1.90
|
||||
@@ -1,4 +1,4 @@
|
||||
-/* $Id: tiffiop.h,v 1.89 2016-01-23 21:20:34 erouault Exp $ */
|
||||
+/* $Id: tiffiop.h,v 1.90 2016-12-02 21:56:56 erouault Exp $ */
|
||||
|
||||
/*
|
||||
* Copyright (c) 1988-1997 Sam Leffler
|
||||
@@ -250,6 +250,10 @@
|
||||
#define TIFFhowmany_32(x, y) (((uint32)x < (0xffffffff - (uint32)(y-1))) ? \
|
||||
((((uint32)(x))+(((uint32)(y))-1))/((uint32)(y))) : \
|
||||
0U)
|
||||
+/* Variant of TIFFhowmany_32() that doesn't return 0 if x close to MAXUINT. */
|
||||
+/* Caution: TIFFhowmany_32_maxuint_compat(x,y)*y might overflow */
|
||||
+#define TIFFhowmany_32_maxuint_compat(x, y) \
|
||||
+ (((uint32)(x) / (uint32)(y)) + ((((uint32)(x) % (uint32)(y)) != 0) ? 1 : 0))
|
||||
#define TIFFhowmany8_32(x) (((x)&0x07)?((uint32)(x)>>3)+1:(uint32)(x)>>3)
|
||||
#define TIFFroundup_32(x, y) (TIFFhowmany_32(x,y)*(y))
|
||||
#define TIFFhowmany_64(x, y) ((((uint64)(x))+(((uint64)(y))-1))/((uint64)(y)))
|
||||
|
|
@ -0,0 +1,131 @@
|
|||
Fix heap-based buffer overflow in _TIFFmemcpy():
|
||||
|
||||
http://bugzilla.maptools.org/show_bug.cgi?id=2604
|
||||
|
||||
2016-12-03 Even Rouault <even.rouault at spatialys.com>
|
||||
|
||||
* libtiff/tif_pixarlog.c, libtiff/tif_luv.c: fix heap-based buffer
|
||||
overflow on generation of PixarLog / LUV compressed files, with
|
||||
ColorMap, TransferFunction attached and nasty plays with bitspersample.
|
||||
The fix for LUV has not been tested, but suffers from the same kind
|
||||
of issue of PixarLog.
|
||||
Reported by Agostino Sarubbo.
|
||||
Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2604
|
||||
|
||||
/cvs/maptools/cvsroot/libtiff/ChangeLog,v <-- ChangeLog
|
||||
new revision: 1.1175; previous revision: 1.1174
|
||||
/cvs/maptools/cvsroot/libtiff/libtiff/tif_luv.c,v <-- libtiff/tif_luv.c
|
||||
new revision: 1.44; previous revision: 1.43
|
||||
/cvs/maptools/cvsroot/libtiff/libtiff/tif_pixarlog.c,v <--
|
||||
libtiff/tif_pixarlog.c
|
||||
new revision: 1.49; previous revision: 1.48
|
||||
|
||||
Index: libtiff/libtiff/tif_luv.c
|
||||
===================================================================
|
||||
RCS file: /cvs/maptools/cvsroot/libtiff/libtiff/tif_luv.c,v
|
||||
retrieving revision 1.43
|
||||
retrieving revision 1.44
|
||||
diff -u -r1.43 -r1.44
|
||||
--- libtiff/libtiff/tif_luv.c 4 Sep 2016 21:32:56 -0000 1.43
|
||||
+++ libtiff/libtiff/tif_luv.c 2 Dec 2016 23:05:51 -0000 1.44
|
||||
@@ -1,4 +1,4 @@
|
||||
-/* $Id: tif_luv.c,v 1.43 2016-09-04 21:32:56 erouault Exp $ */
|
||||
+/* $Id: tif_luv.c,v 1.44 2016-12-02 23:05:51 erouault Exp $ */
|
||||
|
||||
/*
|
||||
* Copyright (c) 1997 Greg Ward Larson
|
||||
@@ -158,6 +158,7 @@
|
||||
typedef struct logLuvState LogLuvState;
|
||||
|
||||
struct logLuvState {
|
||||
+ int encoder_state; /* 1 if encoder correctly initialized */
|
||||
int user_datafmt; /* user data format */
|
||||
int encode_meth; /* encoding method */
|
||||
int pixel_size; /* bytes per pixel */
|
||||
@@ -1552,6 +1553,7 @@
|
||||
td->td_photometric, "must be either LogLUV or LogL");
|
||||
break;
|
||||
}
|
||||
+ sp->encoder_state = 1;
|
||||
return (1);
|
||||
notsupported:
|
||||
TIFFErrorExt(tif->tif_clientdata, module,
|
||||
@@ -1563,19 +1565,27 @@
|
||||
static void
|
||||
LogLuvClose(TIFF* tif)
|
||||
{
|
||||
+ LogLuvState* sp = (LogLuvState*) tif->tif_data;
|
||||
TIFFDirectory *td = &tif->tif_dir;
|
||||
|
||||
+ assert(sp != 0);
|
||||
/*
|
||||
* For consistency, we always want to write out the same
|
||||
* bitspersample and sampleformat for our TIFF file,
|
||||
* regardless of the data format being used by the application.
|
||||
* Since this routine is called after tags have been set but
|
||||
* before they have been recorded in the file, we reset them here.
|
||||
+ * Note: this is really a nasty approach. See PixarLogClose
|
||||
*/
|
||||
- td->td_samplesperpixel =
|
||||
- (td->td_photometric == PHOTOMETRIC_LOGL) ? 1 : 3;
|
||||
- td->td_bitspersample = 16;
|
||||
- td->td_sampleformat = SAMPLEFORMAT_INT;
|
||||
+ if( sp->encoder_state )
|
||||
+ {
|
||||
+ /* See PixarLogClose. Might avoid issues with tags whose size depends
|
||||
+ * on those below, but not completely sure this is enough. */
|
||||
+ td->td_samplesperpixel =
|
||||
+ (td->td_photometric == PHOTOMETRIC_LOGL) ? 1 : 3;
|
||||
+ td->td_bitspersample = 16;
|
||||
+ td->td_sampleformat = SAMPLEFORMAT_INT;
|
||||
+ }
|
||||
}
|
||||
|
||||
static void
|
||||
Index: libtiff/libtiff/tif_pixarlog.c
|
||||
===================================================================
|
||||
RCS file: /cvs/maptools/cvsroot/libtiff/libtiff/tif_pixarlog.c,v
|
||||
retrieving revision 1.48
|
||||
retrieving revision 1.49
|
||||
diff -u -r1.48 -r1.49
|
||||
--- libtiff/libtiff/tif_pixarlog.c 23 Sep 2016 22:12:18 -0000 1.48
|
||||
+++ libtiff/libtiff/tif_pixarlog.c 2 Dec 2016 23:05:51 -0000 1.49
|
||||
@@ -1,4 +1,4 @@
|
||||
-/* $Id: tif_pixarlog.c,v 1.48 2016-09-23 22:12:18 erouault Exp $ */
|
||||
+/* $Id: tif_pixarlog.c,v 1.49 2016-12-02 23:05:51 erouault Exp $ */
|
||||
|
||||
/*
|
||||
* Copyright (c) 1996-1997 Sam Leffler
|
||||
@@ -1233,8 +1233,10 @@
|
||||
static void
|
||||
PixarLogClose(TIFF* tif)
|
||||
{
|
||||
+ PixarLogState* sp = (PixarLogState*) tif->tif_data;
|
||||
TIFFDirectory *td = &tif->tif_dir;
|
||||
|
||||
+ assert(sp != 0);
|
||||
/* In a really sneaky (and really incorrect, and untruthful, and
|
||||
* troublesome, and error-prone) maneuver that completely goes against
|
||||
* the spirit of TIFF, and breaks TIFF, on close, we covertly
|
||||
@@ -1243,8 +1245,19 @@
|
||||
* readers that don't know about PixarLog, or how to set
|
||||
* the PIXARLOGDATFMT pseudo-tag.
|
||||
*/
|
||||
- td->td_bitspersample = 8;
|
||||
- td->td_sampleformat = SAMPLEFORMAT_UINT;
|
||||
+
|
||||
+ if (sp->state&PLSTATE_INIT) {
|
||||
+ /* We test the state to avoid an issue such as in
|
||||
+ * http://bugzilla.maptools.org/show_bug.cgi?id=2604
|
||||
+ * What appends in that case is that the bitspersample is 1 and
|
||||
+ * a TransferFunction is set. The size of the TransferFunction
|
||||
+ * depends on 1<<bitspersample. So if we increase it, an access
|
||||
+ * out of the buffer will happen at directory flushing.
|
||||
+ * Another option would be to clear those targs.
|
||||
+ */
|
||||
+ td->td_bitspersample = 8;
|
||||
+ td->td_sampleformat = SAMPLEFORMAT_UINT;
|
||||
+ }
|
||||
}
|
||||
|
||||
static void
|
||||
|
|
@ -0,0 +1,132 @@
|
|||
Fix heap-based buffer overflow in TIFFFillStrip():
|
||||
|
||||
http://bugzilla.maptools.org/show_bug.cgi?id=2608
|
||||
|
||||
2016-12-03 Even Rouault <even.rouault at spatialys.com>
|
||||
|
||||
* libtiff/tif_dirread.c: modify ChopUpSingleUncompressedStrip() to
|
||||
instanciate compute ntrips as TIFFhowmany_32(td->td_imagelength,
|
||||
rowsperstrip),
|
||||
instead of a logic based on the total size of data. Which is faulty is
|
||||
the total size of data is not sufficient to fill the whole image, and
|
||||
thus
|
||||
results in reading outside of the StripByCounts/StripOffsets arrays
|
||||
when
|
||||
using TIFFReadScanline().
|
||||
Reported by Agostino Sarubbo.
|
||||
Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2608.
|
||||
|
||||
* libtiff/tif_strip.c: revert the change in TIFFNumberOfStrips() done
|
||||
for http://bugzilla.maptools.org/show_bug.cgi?id=2587 / CVE-2016-9273
|
||||
since
|
||||
the above change is a better fix that makes it unnecessary.
|
||||
|
||||
/cvs/maptools/cvsroot/libtiff/ChangeLog,v <-- ChangeLog
|
||||
new revision: 1.1176; previous revision: 1.1175
|
||||
/cvs/maptools/cvsroot/libtiff/libtiff/tif_dirread.c,v <--
|
||||
libtiff/tif_dirread.c
|
||||
new revision: 1.205; previous revision: 1.204
|
||||
/cvs/maptools/cvsroot/libtiff/libtiff/tif_strip.c,v <-- libtiff/tif_strip.c
|
||||
new revision: 1.38; previous revision: 1.37
|
||||
|
||||
Index: libtiff/libtiff/tif_dirread.c
|
||||
===================================================================
|
||||
RCS file: /cvs/maptools/cvsroot/libtiff/libtiff/tif_dirread.c,v
|
||||
retrieving revision 1.204
|
||||
retrieving revision 1.205
|
||||
diff -u -r1.204 -r1.205
|
||||
--- libtiff/libtiff/tif_dirread.c 16 Nov 2016 15:14:15 -0000 1.204
|
||||
+++ libtiff/libtiff/tif_dirread.c 3 Dec 2016 11:02:15 -0000 1.205
|
||||
@@ -1,4 +1,4 @@
|
||||
-/* $Id: tif_dirread.c,v 1.204 2016-11-16 15:14:15 erouault Exp $ */
|
||||
+/* $Id: tif_dirread.c,v 1.205 2016-12-03 11:02:15 erouault Exp $ */
|
||||
|
||||
/*
|
||||
* Copyright (c) 1988-1997 Sam Leffler
|
||||
@@ -5502,8 +5502,7 @@
|
||||
uint64 rowblockbytes;
|
||||
uint64 stripbytes;
|
||||
uint32 strip;
|
||||
- uint64 nstrips64;
|
||||
- uint32 nstrips32;
|
||||
+ uint32 nstrips;
|
||||
uint32 rowsperstrip;
|
||||
uint64* newcounts;
|
||||
uint64* newoffsets;
|
||||
@@ -5534,18 +5533,17 @@
|
||||
return;
|
||||
|
||||
/*
|
||||
- * never increase the number of strips in an image
|
||||
+ * never increase the number of rows per strip
|
||||
*/
|
||||
if (rowsperstrip >= td->td_rowsperstrip)
|
||||
return;
|
||||
- nstrips64 = TIFFhowmany_64(bytecount, stripbytes);
|
||||
- if ((nstrips64==0)||(nstrips64>0xFFFFFFFF)) /* something is wonky, do nothing. */
|
||||
- return;
|
||||
- nstrips32 = (uint32)nstrips64;
|
||||
+ nstrips = TIFFhowmany_32(td->td_imagelength, rowsperstrip);
|
||||
+ if( nstrips == 0 )
|
||||
+ return;
|
||||
|
||||
- newcounts = (uint64*) _TIFFCheckMalloc(tif, nstrips32, sizeof (uint64),
|
||||
+ newcounts = (uint64*) _TIFFCheckMalloc(tif, nstrips, sizeof (uint64),
|
||||
"for chopped \"StripByteCounts\" array");
|
||||
- newoffsets = (uint64*) _TIFFCheckMalloc(tif, nstrips32, sizeof (uint64),
|
||||
+ newoffsets = (uint64*) _TIFFCheckMalloc(tif, nstrips, sizeof (uint64),
|
||||
"for chopped \"StripOffsets\" array");
|
||||
if (newcounts == NULL || newoffsets == NULL) {
|
||||
/*
|
||||
@@ -5562,18 +5560,18 @@
|
||||
* Fill the strip information arrays with new bytecounts and offsets
|
||||
* that reflect the broken-up format.
|
||||
*/
|
||||
- for (strip = 0; strip < nstrips32; strip++) {
|
||||
+ for (strip = 0; strip < nstrips; strip++) {
|
||||
if (stripbytes > bytecount)
|
||||
stripbytes = bytecount;
|
||||
newcounts[strip] = stripbytes;
|
||||
- newoffsets[strip] = offset;
|
||||
+ newoffsets[strip] = stripbytes ? offset : 0;
|
||||
offset += stripbytes;
|
||||
bytecount -= stripbytes;
|
||||
}
|
||||
/*
|
||||
* Replace old single strip info with multi-strip info.
|
||||
*/
|
||||
- td->td_stripsperimage = td->td_nstrips = nstrips32;
|
||||
+ td->td_stripsperimage = td->td_nstrips = nstrips;
|
||||
TIFFSetField(tif, TIFFTAG_ROWSPERSTRIP, rowsperstrip);
|
||||
|
||||
_TIFFfree(td->td_stripbytecount);
|
||||
Index: libtiff/libtiff/tif_strip.c
|
||||
===================================================================
|
||||
RCS file: /cvs/maptools/cvsroot/libtiff/libtiff/tif_strip.c,v
|
||||
retrieving revision 1.37
|
||||
retrieving revision 1.38
|
||||
diff -u -r1.37 -r1.38
|
||||
--- libtiff/libtiff/tif_strip.c 9 Nov 2016 23:00:49 -0000 1.37
|
||||
+++ libtiff/libtiff/tif_strip.c 3 Dec 2016 11:02:15 -0000 1.38
|
||||
@@ -1,4 +1,4 @@
|
||||
-/* $Id: tif_strip.c,v 1.37 2016-11-09 23:00:49 erouault Exp $ */
|
||||
+/* $Id: tif_strip.c,v 1.38 2016-12-03 11:02:15 erouault Exp $ */
|
||||
|
||||
/*
|
||||
* Copyright (c) 1991-1997 Sam Leffler
|
||||
@@ -63,15 +63,6 @@
|
||||
TIFFDirectory *td = &tif->tif_dir;
|
||||
uint32 nstrips;
|
||||
|
||||
- /* If the value was already computed and store in td_nstrips, then return it,
|
||||
- since ChopUpSingleUncompressedStrip might have altered and resized the
|
||||
- since the td_stripbytecount and td_stripoffset arrays to the new value
|
||||
- after the initial affectation of td_nstrips = TIFFNumberOfStrips() in
|
||||
- tif_dirread.c ~line 3612.
|
||||
- See http://bugzilla.maptools.org/show_bug.cgi?id=2587 */
|
||||
- if( td->td_nstrips )
|
||||
- return td->td_nstrips;
|
||||
-
|
||||
nstrips = (td->td_rowsperstrip == (uint32) -1 ? 1 :
|
||||
TIFFhowmany_32(td->td_imagelength, td->td_rowsperstrip));
|
||||
if (td->td_planarconfig == PLANARCONFIG_SEPARATE)
|
||||
|
|
@ -0,0 +1,67 @@
|
|||
Fix heap buffer overflow in tiffcp when parsing number of inks:
|
||||
|
||||
http://bugzilla.maptools.org/show_bug.cgi?id=2599
|
||||
|
||||
2016-12-03 Even Rouault <even.rouault at spatialys.com>
|
||||
|
||||
* tools/tif_dir.c: when TIFFGetField(, TIFFTAG_NUMBEROFINKS, ) is
|
||||
called,
|
||||
limit the return number of inks to SamplesPerPixel, so that code that
|
||||
parses
|
||||
ink names doesn't go past the end of the buffer.
|
||||
Reported by Agostino Sarubbo.
|
||||
Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2599
|
||||
|
||||
|
||||
/cvs/maptools/cvsroot/libtiff/ChangeLog,v <-- ChangeLog
|
||||
new revision: 1.1184; previous revision: 1.1183
|
||||
/cvs/maptools/cvsroot/libtiff/libtiff/tif_dir.c,v <-- libtiff/tif_dir.c
|
||||
new revision: 1.128; previous revision: 1.127
|
||||
|
||||
Index: libtiff/libtiff/tif_dir.c
|
||||
===================================================================
|
||||
RCS file: /cvs/maptools/cvsroot/libtiff/libtiff/tif_dir.c,v
|
||||
retrieving revision 1.127
|
||||
retrieving revision 1.128
|
||||
diff -u -r1.127 -r1.128
|
||||
--- libtiff/libtiff/tif_dir.c 25 Oct 2016 21:35:15 -0000 1.127
|
||||
+++ libtiff/libtiff/tif_dir.c 3 Dec 2016 15:30:31 -0000 1.128
|
||||
@@ -1,4 +1,4 @@
|
||||
-/* $Id: tif_dir.c,v 1.127 2016-10-25 21:35:15 erouault Exp $ */
|
||||
+/* $Id: tif_dir.c,v 1.128 2016-12-03 15:30:31 erouault Exp $ */
|
||||
|
||||
/*
|
||||
* Copyright (c) 1988-1997 Sam Leffler
|
||||
@@ -854,6 +854,32 @@
|
||||
if( fip == NULL ) /* cannot happen since TIFFGetField() already checks it */
|
||||
return 0;
|
||||
|
||||
+ if( tag == TIFFTAG_NUMBEROFINKS )
|
||||
+ {
|
||||
+ int i;
|
||||
+ for (i = 0; i < td->td_customValueCount; i++) {
|
||||
+ uint16 val;
|
||||
+ TIFFTagValue *tv = td->td_customValues + i;
|
||||
+ if (tv->info->field_tag != tag)
|
||||
+ continue;
|
||||
+ val = *(uint16 *)tv->value;
|
||||
+ /* Truncate to SamplesPerPixel, since the */
|
||||
+ /* setting code for INKNAMES assume that there are SamplesPerPixel */
|
||||
+ /* inknames. */
|
||||
+ /* Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2599 */
|
||||
+ if( val > td->td_samplesperpixel )
|
||||
+ {
|
||||
+ TIFFWarningExt(tif->tif_clientdata,"_TIFFVGetField",
|
||||
+ "Truncating NumberOfInks from %u to %u",
|
||||
+ val, td->td_samplesperpixel);
|
||||
+ val = td->td_samplesperpixel;
|
||||
+ }
|
||||
+ *va_arg(ap, uint16*) = val;
|
||||
+ return 1;
|
||||
+ }
|
||||
+ return 0;
|
||||
+ }
|
||||
+
|
||||
/*
|
||||
* We want to force the custom code to be used for custom
|
||||
* fields even if the tag happens to match a well known
|
||||
|
|
@ -0,0 +1,60 @@
|
|||
Fix heap-based buffer overflow in combineSeparateSamples16bits():
|
||||
|
||||
http://bugzilla.maptools.org/show_bug.cgi?id=2621
|
||||
|
||||
2016-12-03 Even Rouault <even.rouault at spatialys.com>
|
||||
|
||||
* tools/tiffcrop.c: add 3 extra bytes at end of strip buffer in
|
||||
readSeparateStripsIntoBuffer() to avoid read outside of heap allocated
|
||||
buffer.
|
||||
Reported by Agostina Sarubo.
|
||||
Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2621
|
||||
|
||||
/cvs/maptools/cvsroot/libtiff/ChangeLog,v <-- ChangeLog
|
||||
new revision: 1.1179; previous revision: 1.1178
|
||||
/cvs/maptools/cvsroot/libtiff/tools/tiffcrop.c,v <-- tools/tiffcrop.c
|
||||
new revision: 1.48; previous revision: 1.47
|
||||
|
||||
Index: libtiff/tools/tiffcrop.c
|
||||
===================================================================
|
||||
RCS file: /cvs/maptools/cvsroot/libtiff/tools/tiffcrop.c,v
|
||||
retrieving revision 1.47
|
||||
retrieving revision 1.48
|
||||
diff -u -r1.47 -r1.48
|
||||
--- libtiff/tools/tiffcrop.c 3 Dec 2016 11:35:56 -0000 1.47
|
||||
+++ libtiff/tools/tiffcrop.c 3 Dec 2016 12:19:32 -0000 1.48
|
||||
@@ -1,4 +1,4 @@
|
||||
-/* $Id: tiffcrop.c,v 1.47 2016-12-03 11:35:56 erouault Exp $ */
|
||||
+/* $Id: tiffcrop.c,v 1.48 2016-12-03 12:19:32 erouault Exp $ */
|
||||
|
||||
/* tiffcrop.c -- a port of tiffcp.c extended to include manipulations of
|
||||
* the image data through additional options listed below
|
||||
@@ -4815,10 +4815,17 @@
|
||||
nstrips = TIFFNumberOfStrips(in);
|
||||
strips_per_sample = nstrips /spp;
|
||||
|
||||
+ /* Add 3 padding bytes for combineSeparateSamples32bits */
|
||||
+ if( (size_t) stripsize > 0xFFFFFFFFU - 3U )
|
||||
+ {
|
||||
+ TIFFError("readSeparateStripsIntoBuffer", "Integer overflow when calculating buffer size.");
|
||||
+ exit(-1);
|
||||
+ }
|
||||
+
|
||||
for (s = 0; (s < spp) && (s < MAX_SAMPLES); s++)
|
||||
{
|
||||
srcbuffs[s] = NULL;
|
||||
- buff = _TIFFmalloc(stripsize);
|
||||
+ buff = _TIFFmalloc(stripsize + 3);
|
||||
if (!buff)
|
||||
{
|
||||
TIFFError ("readSeparateStripsIntoBuffer",
|
||||
@@ -4827,6 +4834,9 @@
|
||||
_TIFFfree (srcbuffs[i]);
|
||||
return 0;
|
||||
}
|
||||
+ buff[stripsize] = 0;
|
||||
+ buff[stripsize+1] = 0;
|
||||
+ buff[stripsize+2] = 0;
|
||||
srcbuffs[s] = buff;
|
||||
}
|
||||
|
||||
|
|
@ -0,0 +1,64 @@
|
|||
Fix invalid read in t2p_writeproc():
|
||||
|
||||
http://bugzilla.maptools.org/show_bug.cgi?id=2639
|
||||
|
||||
2016-12-20 Even Rouault <even.rouault at spatialys.com>
|
||||
|
||||
* tools/tiff2pdf.c: avoid potential invalid memory read in
|
||||
t2p_writeproc.
|
||||
Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2639
|
||||
|
||||
|
||||
/cvs/maptools/cvsroot/libtiff/ChangeLog,v <-- ChangeLog
|
||||
new revision: 1.1198; previous revision: 1.1197
|
||||
/cvs/maptools/cvsroot/libtiff/tools/tiff2pdf.c,v <-- tools/tiff2pdf.c
|
||||
new revision: 1.100; previous revision: 1.99
|
||||
|
||||
Index: libtiff/tools/tiff2pdf.c
|
||||
===================================================================
|
||||
RCS file: /cvs/maptools/cvsroot/libtiff/tools/tiff2pdf.c,v
|
||||
retrieving revision 1.99
|
||||
retrieving revision 1.100
|
||||
diff -u -r1.99 -r1.100
|
||||
--- libtiff/tools/tiff2pdf.c 20 Dec 2016 17:13:26 -0000 1.99
|
||||
+++ libtiff/tools/tiff2pdf.c 20 Dec 2016 17:24:35 -0000 1.100
|
||||
@@ -2896,6 +2896,7 @@
|
||||
}
|
||||
if(TIFFGetField(input, TIFFTAG_JPEGTABLES, &count, &jpt) != 0) {
|
||||
if (count >= 4) {
|
||||
+ int retTIFFReadRawTile;
|
||||
/* Ignore EOI marker of JpegTables */
|
||||
_TIFFmemcpy(buffer, jpt, count - 2);
|
||||
bufferoffset += count - 2;
|
||||
@@ -2903,22 +2904,23 @@
|
||||
table_end[0] = buffer[bufferoffset-2];
|
||||
table_end[1] = buffer[bufferoffset-1];
|
||||
xuint32 = bufferoffset;
|
||||
- bufferoffset -= 2;
|
||||
- bufferoffset += TIFFReadRawTile(
|
||||
+ bufferoffset -= 2;
|
||||
+ retTIFFReadRawTile= TIFFReadRawTile(
|
||||
input,
|
||||
tile,
|
||||
(tdata_t) &(((unsigned char*)buffer)[bufferoffset]),
|
||||
-1);
|
||||
+ if( retTIFFReadRawTile < 0 )
|
||||
+ {
|
||||
+ _TIFFfree(buffer);
|
||||
+ t2p->t2p_error = T2P_ERR_ERROR;
|
||||
+ return(0);
|
||||
+ }
|
||||
+ bufferoffset += retTIFFReadRawTile;
|
||||
/* Overwrite SOI marker of image scan with previously */
|
||||
/* saved end of JpegTables */
|
||||
buffer[xuint32-2]=table_end[0];
|
||||
buffer[xuint32-1]=table_end[1];
|
||||
- } else {
|
||||
- bufferoffset += TIFFReadRawTile(
|
||||
- input,
|
||||
- tile,
|
||||
- (tdata_t) &(((unsigned char*)buffer)[bufferoffset]),
|
||||
- -1);
|
||||
}
|
||||
}
|
||||
t2pWriteFile(output, (tdata_t) buffer, bufferoffset);
|
||||
|
|
@ -0,0 +1,42 @@
|
|||
Fix NULL pointer dereference in TIFFReadRawData():
|
||||
|
||||
http://bugzilla.maptools.org/show_bug.cgi?id=2594
|
||||
|
||||
|
||||
2016-12-03 Even Rouault <even.rouault at spatialys.com>
|
||||
|
||||
* tools/tiffinfo.c: fix null pointer dereference in -r mode when
|
||||
* the
|
||||
image has
|
||||
no StripByteCount tag.
|
||||
Reported by Agostino Sarubbo.
|
||||
Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2594
|
||||
|
||||
/cvs/maptools/cvsroot/libtiff/ChangeLog,v <-- ChangeLog
|
||||
new revision: 1.1182; previous revision: 1.1181
|
||||
/cvs/maptools/cvsroot/libtiff/tools/tiffinfo.c,v <-- tools/tiffinfo.c
|
||||
new revision: 1.26; previous revision: 1.25
|
||||
|
||||
Index: libtiff/tools/tiffinfo.c
|
||||
===================================================================
|
||||
RCS file: /cvs/maptools/cvsroot/libtiff/tools/tiffinfo.c,v
|
||||
retrieving revision 1.25
|
||||
retrieving revision 1.26
|
||||
diff -u -r1.25 -r1.26
|
||||
--- libtiff/tools/tiffinfo.c 12 Nov 2016 20:06:05 -0000 1.25
|
||||
+++ libtiff/tools/tiffinfo.c 3 Dec 2016 14:18:49 -0000 1.26
|
||||
@@ -1,4 +1,4 @@
|
||||
-/* $Id: tiffinfo.c,v 1.25 2016-11-12 20:06:05 bfriesen Exp $ */
|
||||
+/* $Id: tiffinfo.c,v 1.26 2016-12-03 14:18:49 erouault Exp $ */
|
||||
|
||||
/*
|
||||
* Copyright (c) 1988-1997 Sam Leffler
|
||||
@@ -417,7 +417,7 @@
|
||||
uint64* stripbc=NULL;
|
||||
|
||||
TIFFGetField(tif, TIFFTAG_STRIPBYTECOUNTS, &stripbc);
|
||||
- if (nstrips > 0) {
|
||||
+ if (stripbc != NULL && nstrips > 0) {
|
||||
uint32 bufsize = (uint32) stripbc[0];
|
||||
tdata_t buf = _TIFFmalloc(bufsize);
|
||||
tstrip_t s;
|
||||
|
|
@ -0,0 +1,41 @@
|
|||
Fix a integer underflow in tiffcp that led to heap overflows in
|
||||
TIFFReverseBits():
|
||||
|
||||
http://bugzilla.maptools.org/show_bug.cgi?id=2598
|
||||
|
||||
2016-12-02 Even Rouault <even.rouault at spatialys.com>
|
||||
|
||||
* tools/tiffcp.c: avoid uint32 underflow in cpDecodedStrips that
|
||||
can cause various issues, such as buffer overflows in the library.
|
||||
Reported by Agostino Sarubbo.
|
||||
Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2598
|
||||
|
||||
|
||||
/cvs/maptools/cvsroot/libtiff/ChangeLog,v <-- ChangeLog
|
||||
new revision: 1.1174; previous revision: 1.1173
|
||||
/cvs/maptools/cvsroot/libtiff/tools/tiffcp.c,v <-- tools/tiffcp.c
|
||||
new revision: 1.56; previous revision: 1.55
|
||||
|
||||
Index: libtiff/tools/tiffcp.c
|
||||
===================================================================
|
||||
RCS file: /cvs/maptools/cvsroot/libtiff/tools/tiffcp.c,v
|
||||
retrieving revision 1.55
|
||||
retrieving revision 1.56
|
||||
diff -u -r1.55 -r1.56
|
||||
--- libtiff/tools/tiffcp.c 8 Oct 2016 15:54:57 -0000 1.55
|
||||
+++ libtiff/tools/tiffcp.c 2 Dec 2016 22:13:32 -0000 1.56
|
||||
@@ -1,4 +1,4 @@
|
||||
-/* $Id: tiffcp.c,v 1.55 2016-10-08 15:54:57 erouault Exp $ */
|
||||
+/* $Id: tiffcp.c,v 1.56 2016-12-02 22:13:32 erouault Exp $ */
|
||||
|
||||
/*
|
||||
* Copyright (c) 1988-1997 Sam Leffler
|
||||
@@ -985,7 +985,7 @@
|
||||
tstrip_t s, ns = TIFFNumberOfStrips(in);
|
||||
uint32 row = 0;
|
||||
_TIFFmemset(buf, 0, stripsize);
|
||||
- for (s = 0; s < ns; s++) {
|
||||
+ for (s = 0; s < ns && row < imagelength; s++) {
|
||||
tsize_t cc = (row + rowsperstrip > imagelength) ?
|
||||
TIFFVStripSize(in, imagelength - row) : stripsize;
|
||||
if (TIFFReadEncodedStrip(in, s, buf, cc) < 0
|
||||
Loading…
Reference in New Issue