gnu: libtiff: Add fixes several security flaws.
Fixes CVE-2017-{7593, 7594, 7595, 7596, 7597, 7598, 7599, 7600, 7601, 7602}.
* gnu/packages/patches/libtiff-CVE-2017-7593.patch,
gnu/packages/patches/libtiff-CVE-2017-7594.patch,
gnu/packages/patches/libtiff-multiple-UBSAN-crashes.patch: New files.
* gnu/local.mk (dist_patch_DATA): Add them.
* gnu/packages/image.scm (libtiff)[replacement]: New field.
(libtiff/fixed): New variable.
This commit is contained in:
Kei Kebreau
parent
8e815c5b69
commit
484f7a8862
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@ -738,6 +738,9 @@ dist_patch_DATA = \
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%D%/packages/patches/libtiff-CVE-2016-10093.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-CVE-2016-10094.patch \
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%D%/packages/patches/libtiff-CVE-2017-5225.patch \
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%D%/packages/patches/libtiff-CVE-2017-5225.patch \
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%D%/packages/patches/libtiff-CVE-2017-7593.patch \
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%D%/packages/patches/libtiff-CVE-2017-7594.patch \
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%D%/packages/patches/libtiff-multiple-UBSAN-crashes.patch \
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%D%/packages/patches/libtiff-assertion-failure.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-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-tiffcp.patch \
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@ -13,7 +13,7 @@
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;;; Copyright © 2016 Tobias Geerinckx-Rice <me@tobias.gr>
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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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;;; Copyright © 2016 Eric Bavier <bavier@member.fsf.org>
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;;; Copyright © 2016 Arun Isaac <arunisaac@systemreboot.net>
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;;; Copyright © 2016 Arun Isaac <arunisaac@systemreboot.net>
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;;; Copyright © 2016 Kei Kebreau <kei@openmailbox.org>
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;;; Copyright © 2016, 2017 Kei Kebreau <kei@openmailbox.org>
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;;; Copyright © 2017 ng0 <contact.ng0@cryptolab.net>
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;;; Copyright © 2017 ng0 <contact.ng0@cryptolab.net>
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;;;
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;;;
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;;; This file is part of GNU Guix.
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;;; This file is part of GNU Guix.
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@ -299,6 +299,7 @@ extracting icontainer icon files.")
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(define-public libtiff
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(define-public libtiff
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(package
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(package
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(name "libtiff")
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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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(version "4.0.7")
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(source (origin
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(source (origin
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(method url-fetch)
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(method url-fetch)
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@ -347,6 +348,19 @@ collection of tools for doing simple manipulations of TIFF images.")
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"See COPYRIGHT in the distribution."))
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"See COPYRIGHT in the distribution."))
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(home-page "http://www.simplesystems.org/libtiff/")))
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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
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(append
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(origin-patches (package-source libtiff))
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(search-patches "libtiff-CVE-2017-7593.patch"
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"libtiff-CVE-2017-7594.patch"
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"libtiff-multiple-UBSAN-crashes.patch")))))))
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(define-public libwmf
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(define-public libwmf
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(package
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(package
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(name "libwmf")
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(name "libwmf")
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@ -0,0 +1,113 @@
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Fixes CVE-2017-7593 (Potential uninitialized-memory access from tif_rawdata):
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http://bugzilla.maptools.org/show_bug.cgi?id=2651
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https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7593
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https://security-tracker.debian.org/tracker/CVE-2017-7593
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2017-01-11 Even Rouault <even.rouault at spatialys.com>
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* libtiff/tiffio.h, tif_unix.c, tif_win32.c, tif_vms.c: add
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_TIFFcalloc()
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* libtiff/tif_read.c: TIFFReadBufferSetup(): use _TIFFcalloc() to zero
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initialize tif_rawdata.
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Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2651
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/cvs/maptools/cvsroot/libtiff/ChangeLog,v <-- ChangeLog
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new revision: 1.1208; previous revision: 1.1207
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/cvs/maptools/cvsroot/libtiff/libtiff/tif_read.c,v <-- libtiff/tif_read.c
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new revision: 1.53; previous revision: 1.52
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/cvs/maptools/cvsroot/libtiff/libtiff/tif_unix.c,v <-- libtiff/tif_unix.c
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new revision: 1.28; previous revision: 1.27
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/cvs/maptools/cvsroot/libtiff/libtiff/tif_vms.c,v <-- libtiff/tif_vms.c
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new revision: 1.14; previous revision: 1.13
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/cvs/maptools/cvsroot/libtiff/libtiff/tif_win32.c,v <-- libtiff/tif_win32.c
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new revision: 1.42; previous revision: 1.41
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/cvs/maptools/cvsroot/libtiff/libtiff/tiffio.h,v <-- libtiff/tiffio.h
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new revision: 1.94; previous revision: 1.93
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diff -ru tiff-4.0.7/libtiff/tiffio.h tiff-4.0.7.new/libtiff/tiffio.h
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--- tiff-4.0.7/libtiff/tiffio.h 1969-12-31 19:00:00.000000000 -0500
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+++ tiff-4.0.7.new/libtiff/tiffio.h 2017-05-05 19:08:03.772999790 -0400
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@@ -1,4 +1,4 @@
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-/* $Id: tiffio.h,v 1.92 2016-01-23 21:20:34 erouault Exp $ */
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+/* $Id: tiffio.h,v 1.94 2017-01-11 19:02:49 erouault Exp $ */
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/*
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* Copyright (c) 1988-1997 Sam Leffler
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@@ -293,6 +293,7 @@
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*/
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extern void* _TIFFmalloc(tmsize_t s);
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+extern void* _TIFFcalloc(tmsize_t nmemb, tmsize_t siz);
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extern void* _TIFFrealloc(void* p, tmsize_t s);
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extern void _TIFFmemset(void* p, int v, tmsize_t c);
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extern void _TIFFmemcpy(void* d, const void* s, tmsize_t c);
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diff -ru tiff-4.0.7/libtiff/tif_read.c tiff-4.0.7.new/libtiff/tif_read.c
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--- tiff-4.0.7/libtiff/tif_read.c 2017-05-05 19:04:09.740966642 -0400
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+++ tiff-4.0.7.new/libtiff/tif_read.c 2017-05-05 18:59:11.070709441 -0400
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@@ -1,4 +1,4 @@
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-/* $Id: tif_read.c,v 1.50 2016-12-02 21:56:56 erouault Exp $ */
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+/* $Id: tif_read.c,v 1.53 2017-01-11 19:02:49 erouault Exp $ */
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/*
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* Copyright (c) 1988-1997 Sam Leffler
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@@ -976,7 +976,9 @@
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"Invalid buffer size");
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return (0);
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}
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- tif->tif_rawdata = (uint8*) _TIFFmalloc(tif->tif_rawdatasize);
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+ /* Initialize to zero to avoid uninitialized buffers in case of */
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+ /* short reads (http://bugzilla.maptools.org/show_bug.cgi?id=2651) */
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+ tif->tif_rawdata = (uint8*) _TIFFcalloc(1, tif->tif_rawdatasize);
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tif->tif_flags |= TIFF_MYBUFFER;
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}
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if (tif->tif_rawdata == NULL) {
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diff -ru tiff-4.0.7/libtiff/tif_unix.c tiff-4.0.7.new/libtiff/tif_unix.c
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--- tiff-4.0.7/libtiff/tif_unix.c 1969-12-31 19:00:00.000000000 -0500
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+++ tiff-4.0.7.new/libtiff/tif_unix.c 2017-05-05 19:10:48.302645187 -0400
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@@ -1,4 +1,4 @@
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-/* $Id: tif_unix.c,v 1.27 2015-08-19 02:31:04 bfriesen Exp $ */
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+/* $Id: tif_unix.c,v 1.28 2017-01-11 19:02:49 erouault Exp $ */
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/*
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* Copyright (c) 1988-1997 Sam Leffler
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@@ -316,6 +316,14 @@
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return (malloc((size_t) s));
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}
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+void* _TIFFcalloc(tmsize_t nmemb, tmsize_t siz)
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+{
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+ if( nmemb == 0 || siz == 0 )
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+ return ((void *) NULL);
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+
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+ return calloc((size_t) nmemb, (size_t)siz);
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+}
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+
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void
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_TIFFfree(void* p)
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{
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diff -ru tiff-4.0.7/libtiff/tif_win32.c tiff-4.0.7.new/libtiff/tif_win32.c
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--- tiff-4.0.7/libtiff/tif_win32.c 1969-12-31 19:00:00.000000000 -0500
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+++ tiff-4.0.7.new/libtiff/tif_win32.c 2017-05-05 19:13:06.903399627 -0400
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@@ -1,4 +1,4 @@
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-/* $Id: tif_win32.c,v 1.41 2015-08-23 20:12:44 bfriesen Exp $ */
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+/* $Id: tif_win32.c,v 1.42 2017-01-11 19:02:49 erouault Exp $ */
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/*
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* Copyright (c) 1988-1997 Sam Leffler
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@@ -360,6 +360,14 @@
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return (malloc((size_t) s));
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}
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+void* _TIFFcalloc(tmsize_t nmemb, tmsize_t siz)
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+{
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+ if( nmemb == 0 || siz == 0 )
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+ return ((void *) NULL);
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+
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+ return calloc((size_t) nmemb, (size_t)siz);
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+}
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+
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void
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_TIFFfree(void* p)
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{
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@ -0,0 +1,54 @@
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Fixes CVE-2017-7594 (Direct leak in tif_ojpeg.c):
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http://bugzilla.maptools.org/show_bug.cgi?id=2659
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https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7594
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https://security-tracker.debian.org/tracker/CVE-2017-7594
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2017-01-12 Even Rouault <even.rouault at spatialys.com>
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* libtiff/tif_ojpeg.c: fix leak in OJPEGReadHeaderInfoSecTablesAcTable
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when read fails.
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Patch by Nicolás Peña.
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Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2659
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/cvs/maptools/cvsroot/libtiff/ChangeLog,v <-- ChangeLog
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new revision: 1.1212; previous revision: 1.1211
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/cvs/maptools/cvsroot/libtiff/libtiff/tif_ojpeg.c,v <-- libtiff/tif_ojpeg.c
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new revision: 1.67; previous revision: 1.66
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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 1.67
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retrieving revision 1.68
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diff -u -r1.67 -r1.68
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--- libtiff/libtiff/tif_ojpeg.c 12 Jan 2017 17:43:26 -0000 1.67
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+++ libtiff/libtiff/tif_ojpeg.c 12 Jan 2017 19:23:20 -0000 1.68
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@@ -1,4 +1,4 @@
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-/* $Id: tif_ojpeg.c,v 1.66 2016-12-03 11:15:18 erouault Exp $ */
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+/* $Id: tif_ojpeg.c,v 1.68 2017-01-12 19:23:20 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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@@ -1790,7 +1790,10 @@
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TIFFSeekFile(tif,sp->qtable_offset[m],SEEK_SET);
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p=(uint32)TIFFReadFile(tif,&ob[sizeof(uint32)+5],64);
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if (p!=64)
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+ {
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+ _TIFFfree(ob);
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return(0);
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+ }
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sp->qtable[m]=ob;
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sp->sof_tq[m]=m;
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}
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@@ -1854,7 +1857,10 @@
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rb[sizeof(uint32)+5+n]=o[n];
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p=(uint32)TIFFReadFile(tif,&(rb[sizeof(uint32)+21]),q);
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if (p!=q)
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+ {
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+ _TIFFfree(rb);
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return(0);
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+ }
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sp->dctable[m]=rb;
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sp->sos_tda[m]=(m<<4);
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}
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@ -0,0 +1,449 @@
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Fixes CVE-2017-{7595,7596,7597,7598,7599,7600,7601,7602}:
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https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7595
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https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7596
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https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7597
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https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7598
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https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7599
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https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7600
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https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7601
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https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7602
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2017-01-11 Even Rouault <even.rouault at spatialys.com>
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* libtiff/tif_dir.c, tif_dirread.c, tif_dirwrite.c: implement various
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clampings
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of double to other data types to avoid undefined behaviour if the
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output range
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isn't big enough to hold the input value.
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Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2643
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http://bugzilla.maptools.org/show_bug.cgi?id=2642
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http://bugzilla.maptools.org/show_bug.cgi?id=2646
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http://bugzilla.maptools.org/show_bug.cgi?id=2647
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/cvs/maptools/cvsroot/libtiff/ChangeLog,v <-- ChangeLog
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new revision: 1.1204; previous revision: 1.1203
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/cvs/maptools/cvsroot/libtiff/libtiff/tif_dir.c,v <-- libtiff/tif_dir.c
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new revision: 1.129; previous revision: 1.128
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/cvs/maptools/cvsroot/libtiff/libtiff/tif_dirread.c,v <-- libtiff/tif_dirread.c
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new revision: 1.207; previous revision: 1.206
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/cvs/maptools/cvsroot/libtiff/libtiff/tif_dirwrite.c,v <-- libtiff/tif_dirwrite.c
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new revision: 1.85; previous revision: 1.84
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2017-01-11 Even Rouault <even.rouault at spatialys.com>
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* libtiff/tif_dirread.c: avoid division by floating point 0 in
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TIFFReadDirEntryCheckedRational() and
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TIFFReadDirEntryCheckedSrational(),
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and return 0 in that case (instead of infinity as before presumably)
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Apparently some sanitizers do not like those divisions by zero.
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Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2644
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/cvs/maptools/cvsroot/libtiff/ChangeLog,v <-- ChangeLog
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new revision: 1.1203; previous revision: 1.1202
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/cvs/maptools/cvsroot/libtiff/libtiff/tif_dirread.c,v <-- libtiff/tif_dirread.c
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new revision: 1.206; previous revision: 1.205
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2017-01-11 Even Rouault <even.rouault at spatialys.com>
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* libtiff/tif_jpeg.c: validate BitsPerSample in JPEGSetupEncode() to
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avoid undefined behaviour caused by invalid shift exponent.
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Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2648
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/cvs/maptools/cvsroot/libtiff/ChangeLog,v <-- ChangeLog
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new revision: 1.1205; previous revision: 1.1204
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||||||
|
/cvs/maptools/cvsroot/libtiff/libtiff/tif_jpeg.c,v <-- libtiff/tif_jpeg.c
|
||||||
|
new revision: 1.126; previous revision: 1.125
|
||||||
|
|
||||||
|
2017-01-11 Even Rouault <even.rouault at spatialys.com>
|
||||||
|
|
||||||
|
* libtiff/tif_read.c: avoid potential undefined behaviour on signed
|
||||||
|
integer addition in TIFFReadRawStrip1() in isMapped() case.
|
||||||
|
Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2650
|
||||||
|
|
||||||
|
/cvs/maptools/cvsroot/libtiff/ChangeLog,v <-- ChangeLog
|
||||||
|
new revision: 1.1206; previous revision: 1.1205
|
||||||
|
/cvs/maptools/cvsroot/libtiff/libtiff/tif_read.c,v <-- libtiff/tif_read.c
|
||||||
|
new revision: 1.51; previous revision: 1.50
|
||||||
|
|
||||||
|
Index: libtiff/libtiff/tif_dir.c
|
||||||
|
===================================================================
|
||||||
|
RCS file: /cvs/maptools/cvsroot/libtiff/libtiff/tif_dir.c,v
|
||||||
|
retrieving revision 1.128
|
||||||
|
retrieving revision 1.129
|
||||||
|
diff -u -r1.128 -r1.129
|
||||||
|
--- libtiff/libtiff/tif_dir.c 3 Dec 2016 15:30:31 -0000 1.128
|
||||||
|
+++ libtiff/libtiff/tif_dir.c 11 Jan 2017 16:09:02 -0000 1.129
|
||||||
|
@@ -1,4 +1,4 @@
|
||||||
|
-/* $Id: tif_dir.c,v 1.128 2016-12-03 15:30:31 erouault Exp $ */
|
||||||
|
+/* $Id: tif_dir.c,v 1.129 2017-01-11 16:09:02 erouault Exp $ */
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Copyright (c) 1988-1997 Sam Leffler
|
||||||
|
@@ -31,6 +31,7 @@
|
||||||
|
* (and also some miscellaneous stuff)
|
||||||
|
*/
|
||||||
|
#include "tiffiop.h"
|
||||||
|
+#include <float.h>
|
||||||
|
|
||||||
|
/*
|
||||||
|
* These are used in the backwards compatibility code...
|
||||||
|
@@ -154,6 +155,15 @@
|
||||||
|
return (0);
|
||||||
|
}
|
||||||
|
|
||||||
|
+static float TIFFClampDoubleToFloat( double val )
|
||||||
|
+{
|
||||||
|
+ if( val > FLT_MAX )
|
||||||
|
+ return FLT_MAX;
|
||||||
|
+ if( val < -FLT_MAX )
|
||||||
|
+ return -FLT_MAX;
|
||||||
|
+ return (float)val;
|
||||||
|
+}
|
||||||
|
+
|
||||||
|
static int
|
||||||
|
_TIFFVSetField(TIFF* tif, uint32 tag, va_list ap)
|
||||||
|
{
|
||||||
|
@@ -312,13 +322,13 @@
|
||||||
|
dblval = va_arg(ap, double);
|
||||||
|
if( dblval < 0 )
|
||||||
|
goto badvaluedouble;
|
||||||
|
- td->td_xresolution = (float) dblval;
|
||||||
|
+ td->td_xresolution = TIFFClampDoubleToFloat( dblval );
|
||||||
|
break;
|
||||||
|
case TIFFTAG_YRESOLUTION:
|
||||||
|
dblval = va_arg(ap, double);
|
||||||
|
if( dblval < 0 )
|
||||||
|
goto badvaluedouble;
|
||||||
|
- td->td_yresolution = (float) dblval;
|
||||||
|
+ td->td_yresolution = TIFFClampDoubleToFloat( dblval );
|
||||||
|
break;
|
||||||
|
case TIFFTAG_PLANARCONFIG:
|
||||||
|
v = (uint16) va_arg(ap, uint16_vap);
|
||||||
|
@@ -327,10 +337,10 @@
|
||||||
|
td->td_planarconfig = (uint16) v;
|
||||||
|
break;
|
||||||
|
case TIFFTAG_XPOSITION:
|
||||||
|
- td->td_xposition = (float) va_arg(ap, double);
|
||||||
|
+ td->td_xposition = TIFFClampDoubleToFloat( va_arg(ap, double) );
|
||||||
|
break;
|
||||||
|
case TIFFTAG_YPOSITION:
|
||||||
|
- td->td_yposition = (float) va_arg(ap, double);
|
||||||
|
+ td->td_yposition = TIFFClampDoubleToFloat( va_arg(ap, double) );
|
||||||
|
break;
|
||||||
|
case TIFFTAG_RESOLUTIONUNIT:
|
||||||
|
v = (uint16) va_arg(ap, uint16_vap);
|
||||||
|
Index: libtiff/libtiff/tif_dirread.c
|
||||||
|
===================================================================
|
||||||
|
RCS file: /cvs/maptools/cvsroot/libtiff/libtiff/tif_dirread.c,v
|
||||||
|
retrieving revision 1.206
|
||||||
|
retrieving revision 1.207
|
||||||
|
diff -u -r1.206 -r1.207
|
||||||
|
--- libtiff/libtiff/tif_dirread.c 11 Jan 2017 13:28:01 -0000 1.206
|
||||||
|
+++ libtiff/libtiff/tif_dirread.c 11 Jan 2017 16:09:02 -0000 1.207
|
||||||
|
@@ -1,4 +1,4 @@
|
||||||
|
-/* $Id: tif_dirread.c,v 1.205 2016-12-03 11:02:15 erouault Exp $ */
|
||||||
|
+/* $Id: tif_dirread.c,v 1.207 2017-01-11 16:09:02 erouault Exp $ */
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Copyright (c) 1988-1997 Sam Leffler
|
||||||
|
@@ -40,6 +40,7 @@
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include "tiffiop.h"
|
||||||
|
+#include <float.h>
|
||||||
|
|
||||||
|
#define IGNORE 0 /* tag placeholder used below */
|
||||||
|
#define FAILED_FII ((uint32) -1)
|
||||||
|
@@ -2406,7 +2407,14 @@
|
||||||
|
ma=(double*)origdata;
|
||||||
|
mb=data;
|
||||||
|
for (n=0; n<count; n++)
|
||||||
|
- *mb++=(float)(*ma++);
|
||||||
|
+ {
|
||||||
|
+ double val = *ma++;
|
||||||
|
+ if( val > FLT_MAX )
|
||||||
|
+ val = FLT_MAX;
|
||||||
|
+ else if( val < -FLT_MAX )
|
||||||
|
+ val = -FLT_MAX;
|
||||||
|
+ *mb++=(float)val;
|
||||||
|
+ }
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
Index: libtiff/libtiff/tif_dirwrite.c
|
||||||
|
===================================================================
|
||||||
|
RCS file: /cvs/maptools/cvsroot/libtiff/libtiff/tif_dirwrite.c,v
|
||||||
|
retrieving revision 1.84
|
||||||
|
retrieving revision 1.85
|
||||||
|
diff -u -r1.84 -r1.85
|
||||||
|
--- libtiff/libtiff/tif_dirwrite.c 11 Jan 2017 12:51:59 -0000 1.84
|
||||||
|
+++ libtiff/libtiff/tif_dirwrite.c 11 Jan 2017 16:09:02 -0000 1.85
|
||||||
|
@@ -1,4 +1,4 @@
|
||||||
|
-/* $Id: tif_dirwrite.c,v 1.83 2016-10-25 21:35:15 erouault Exp $ */
|
||||||
|
+/* $Id: tif_dirwrite.c,v 1.85 2017-01-11 16:09:02 erouault Exp $ */
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Copyright (c) 1988-1997 Sam Leffler
|
||||||
|
@@ -30,6 +30,7 @@
|
||||||
|
* Directory Write Support Routines.
|
||||||
|
*/
|
||||||
|
#include "tiffiop.h"
|
||||||
|
+#include <float.h>
|
||||||
|
|
||||||
|
#ifdef HAVE_IEEEFP
|
||||||
|
#define TIFFCvtNativeToIEEEFloat(tif, n, fp)
|
||||||
|
@@ -939,6 +940,69 @@
|
||||||
|
return(0);
|
||||||
|
}
|
||||||
|
|
||||||
|
+static float TIFFClampDoubleToFloat( double val )
|
||||||
|
+{
|
||||||
|
+ if( val > FLT_MAX )
|
||||||
|
+ return FLT_MAX;
|
||||||
|
+ if( val < -FLT_MAX )
|
||||||
|
+ return -FLT_MAX;
|
||||||
|
+ return (float)val;
|
||||||
|
+}
|
||||||
|
+
|
||||||
|
+static int8 TIFFClampDoubleToInt8( double val )
|
||||||
|
+{
|
||||||
|
+ if( val > 127 )
|
||||||
|
+ return 127;
|
||||||
|
+ if( val < -128 || val != val )
|
||||||
|
+ return -128;
|
||||||
|
+ return (int8)val;
|
||||||
|
+}
|
||||||
|
+
|
||||||
|
+static int16 TIFFClampDoubleToInt16( double val )
|
||||||
|
+{
|
||||||
|
+ if( val > 32767 )
|
||||||
|
+ return 32767;
|
||||||
|
+ if( val < -32768 || val != val )
|
||||||
|
+ return -32768;
|
||||||
|
+ return (int16)val;
|
||||||
|
+}
|
||||||
|
+
|
||||||
|
+static int32 TIFFClampDoubleToInt32( double val )
|
||||||
|
+{
|
||||||
|
+ if( val > 0x7FFFFFFF )
|
||||||
|
+ return 0x7FFFFFFF;
|
||||||
|
+ if( val < -0x7FFFFFFF-1 || val != val )
|
||||||
|
+ return -0x7FFFFFFF-1;
|
||||||
|
+ return (int32)val;
|
||||||
|
+}
|
||||||
|
+
|
||||||
|
+static uint8 TIFFClampDoubleToUInt8( double val )
|
||||||
|
+{
|
||||||
|
+ if( val < 0 )
|
||||||
|
+ return 0;
|
||||||
|
+ if( val > 255 || val != val )
|
||||||
|
+ return 255;
|
||||||
|
+ return (uint8)val;
|
||||||
|
+}
|
||||||
|
+
|
||||||
|
+static uint16 TIFFClampDoubleToUInt16( double val )
|
||||||
|
+{
|
||||||
|
+ if( val < 0 )
|
||||||
|
+ return 0;
|
||||||
|
+ if( val > 65535 || val != val )
|
||||||
|
+ return 65535;
|
||||||
|
+ return (uint16)val;
|
||||||
|
+}
|
||||||
|
+
|
||||||
|
+static uint32 TIFFClampDoubleToUInt32( double val )
|
||||||
|
+{
|
||||||
|
+ if( val < 0 )
|
||||||
|
+ return 0;
|
||||||
|
+ if( val > 0xFFFFFFFFU || val != val )
|
||||||
|
+ return 0xFFFFFFFFU;
|
||||||
|
+ return (uint32)val;
|
||||||
|
+}
|
||||||
|
+
|
||||||
|
static int
|
||||||
|
TIFFWriteDirectoryTagSampleformatArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, double* value)
|
||||||
|
{
|
||||||
|
@@ -959,7 +1023,7 @@
|
||||||
|
if (tif->tif_dir.td_bitspersample<=32)
|
||||||
|
{
|
||||||
|
for (i = 0; i < count; ++i)
|
||||||
|
- ((float*)conv)[i] = (float)value[i];
|
||||||
|
+ ((float*)conv)[i] = TIFFClampDoubleToFloat(value[i]);
|
||||||
|
ok = TIFFWriteDirectoryTagFloatArray(tif,ndir,dir,tag,count,(float*)conv);
|
||||||
|
}
|
||||||
|
else
|
||||||
|
@@ -971,19 +1035,19 @@
|
||||||
|
if (tif->tif_dir.td_bitspersample<=8)
|
||||||
|
{
|
||||||
|
for (i = 0; i < count; ++i)
|
||||||
|
- ((int8*)conv)[i] = (int8)value[i];
|
||||||
|
+ ((int8*)conv)[i] = TIFFClampDoubleToInt8(value[i]);
|
||||||
|
ok = TIFFWriteDirectoryTagSbyteArray(tif,ndir,dir,tag,count,(int8*)conv);
|
||||||
|
}
|
||||||
|
else if (tif->tif_dir.td_bitspersample<=16)
|
||||||
|
{
|
||||||
|
for (i = 0; i < count; ++i)
|
||||||
|
- ((int16*)conv)[i] = (int16)value[i];
|
||||||
|
+ ((int16*)conv)[i] = TIFFClampDoubleToInt16(value[i]);
|
||||||
|
ok = TIFFWriteDirectoryTagSshortArray(tif,ndir,dir,tag,count,(int16*)conv);
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
for (i = 0; i < count; ++i)
|
||||||
|
- ((int32*)conv)[i] = (int32)value[i];
|
||||||
|
+ ((int32*)conv)[i] = TIFFClampDoubleToInt32(value[i]);
|
||||||
|
ok = TIFFWriteDirectoryTagSlongArray(tif,ndir,dir,tag,count,(int32*)conv);
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
@@ -991,19 +1055,19 @@
|
||||||
|
if (tif->tif_dir.td_bitspersample<=8)
|
||||||
|
{
|
||||||
|
for (i = 0; i < count; ++i)
|
||||||
|
- ((uint8*)conv)[i] = (uint8)value[i];
|
||||||
|
+ ((uint8*)conv)[i] = TIFFClampDoubleToUInt8(value[i]);
|
||||||
|
ok = TIFFWriteDirectoryTagByteArray(tif,ndir,dir,tag,count,(uint8*)conv);
|
||||||
|
}
|
||||||
|
else if (tif->tif_dir.td_bitspersample<=16)
|
||||||
|
{
|
||||||
|
for (i = 0; i < count; ++i)
|
||||||
|
- ((uint16*)conv)[i] = (uint16)value[i];
|
||||||
|
+ ((uint16*)conv)[i] = TIFFClampDoubleToUInt16(value[i]);
|
||||||
|
ok = TIFFWriteDirectoryTagShortArray(tif,ndir,dir,tag,count,(uint16*)conv);
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
for (i = 0; i < count; ++i)
|
||||||
|
- ((uint32*)conv)[i] = (uint32)value[i];
|
||||||
|
+ ((uint32*)conv)[i] = TIFFClampDoubleToUInt32(value[i]);
|
||||||
|
ok = TIFFWriteDirectoryTagLongArray(tif,ndir,dir,tag,count,(uint32*)conv);
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
@@ -2102,7 +2102,7 @@
|
||||||
|
m[0]=0;
|
||||||
|
m[1]=1;
|
||||||
|
}
|
||||||
|
- else if (value==(double)(uint32)value)
|
||||||
|
+ else if (value <= 0xFFFFFFFFU && value==(double)(uint32)value)
|
||||||
|
{
|
||||||
|
m[0]=(uint32)value;
|
||||||
|
m[1]=1;
|
||||||
|
@@ -2148,12 +2217,13 @@
|
||||||
|
}
|
||||||
|
for (na=value, nb=m, nc=0; nc<count; na++, nb+=2, nc++)
|
||||||
|
{
|
||||||
|
- if (*na<=0.0)
|
||||||
|
+ if (*na<=0.0 || *na != *na)
|
||||||
|
{
|
||||||
|
nb[0]=0;
|
||||||
|
nb[1]=1;
|
||||||
|
}
|
||||||
|
- else if (*na==(float)(uint32)(*na))
|
||||||
|
+ else if (*na >= 0 && *na <= (float)0xFFFFFFFFU &&
|
||||||
|
+ *na==(float)(uint32)(*na))
|
||||||
|
{
|
||||||
|
nb[0]=(uint32)(*na);
|
||||||
|
nb[1]=1;
|
||||||
|
Index: libtiff/libtiff/tif_dirread.c
|
||||||
|
===================================================================
|
||||||
|
RCS file: /cvs/maptools/cvsroot/libtiff/libtiff/tif_dirread.c,v
|
||||||
|
retrieving revision 1.205
|
||||||
|
retrieving revision 1.206
|
||||||
|
diff -u -r1.205 -r1.206
|
||||||
|
--- libtiff/libtiff/tif_dirread.c 3 Dec 2016 11:02:15 -0000 1.205
|
||||||
|
+++ libtiff/libtiff/tif_dirread.c 11 Jan 2017 13:28:01 -0000 1.206
|
||||||
|
@@ -2872,7 +2872,10 @@
|
||||||
|
m.l = direntry->tdir_offset.toff_long8;
|
||||||
|
if (tif->tif_flags&TIFF_SWAB)
|
||||||
|
TIFFSwabArrayOfLong(m.i,2);
|
||||||
|
- if (m.i[0]==0)
|
||||||
|
+ /* Not completely sure what we should do when m.i[1]==0, but some */
|
||||||
|
+ /* sanitizers do not like division by 0.0: */
|
||||||
|
+ /* http://bugzilla.maptools.org/show_bug.cgi?id=2644 */
|
||||||
|
+ if (m.i[0]==0 || m.i[1]==0)
|
||||||
|
*value=0.0;
|
||||||
|
else
|
||||||
|
*value=(double)m.i[0]/(double)m.i[1];
|
||||||
|
@@ -2900,7 +2903,10 @@
|
||||||
|
m.l=direntry->tdir_offset.toff_long8;
|
||||||
|
if (tif->tif_flags&TIFF_SWAB)
|
||||||
|
TIFFSwabArrayOfLong(m.i,2);
|
||||||
|
- if ((int32)m.i[0]==0)
|
||||||
|
+ /* Not completely sure what we should do when m.i[1]==0, but some */
|
||||||
|
+ /* sanitizers do not like division by 0.0: */
|
||||||
|
+ /* http://bugzilla.maptools.org/show_bug.cgi?id=2644 */
|
||||||
|
+ if ((int32)m.i[0]==0 || m.i[1]==0)
|
||||||
|
*value=0.0;
|
||||||
|
else
|
||||||
|
*value=(double)((int32)m.i[0])/(double)m.i[1];
|
||||||
|
Index: libtiff/libtiff/tif_jpeg.c
|
||||||
|
===================================================================
|
||||||
|
RCS file: /cvs/maptools/cvsroot/libtiff/libtiff/tif_jpeg.c,v
|
||||||
|
retrieving revision 1.125
|
||||||
|
retrieving revision 1.126
|
||||||
|
diff -u -r1.125 -r1.126
|
||||||
|
--- libtiff/libtiff/tif_jpeg.c 11 Jan 2017 12:15:01 -0000 1.125
|
||||||
|
+++ libtiff/libtiff/tif_jpeg.c 11 Jan 2017 16:13:50 -0000 1.126
|
||||||
|
@@ -1,4 +1,4 @@
|
||||||
|
-/* $Id: tif_jpeg.c,v 1.123 2016-01-23 21:20:34 erouault Exp $ */
|
||||||
|
+/* $Id: tif_jpeg.c,v 1.126 2017-01-11 16:13:50 erouault Exp $ */
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Copyright (c) 1994-1997 Sam Leffler
|
||||||
|
@@ -1632,6 +1632,13 @@
|
||||||
|
"Invalig horizontal/vertical sampling value");
|
||||||
|
return (0);
|
||||||
|
}
|
||||||
|
+ if( td->td_bitspersample > 16 )
|
||||||
|
+ {
|
||||||
|
+ TIFFErrorExt(tif->tif_clientdata, module,
|
||||||
|
+ "BitsPerSample %d not allowed for JPEG",
|
||||||
|
+ td->td_bitspersample);
|
||||||
|
+ return (0);
|
||||||
|
+ }
|
||||||
|
|
||||||
|
/*
|
||||||
|
* A ReferenceBlackWhite field *must* be present since the
|
||||||
|
Index: libtiff/libtiff/tif_read.c
|
||||||
|
===================================================================
|
||||||
|
RCS file: /cvs/maptools/cvsroot/libtiff/libtiff/tif_read.c,v
|
||||||
|
retrieving revision 1.50
|
||||||
|
retrieving revision 1.51
|
||||||
|
diff -u -r1.50 -r1.51
|
||||||
|
--- libtiff/libtiff/tif_read.c 2 Dec 2016 21:56:56 -0000 1.50
|
||||||
|
+++ libtiff/libtiff/tif_read.c 11 Jan 2017 16:33:34 -0000 1.51
|
||||||
|
@@ -420,16 +420,25 @@
|
||||||
|
return ((tmsize_t)(-1));
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
- tmsize_t ma,mb;
|
||||||
|
+ tmsize_t ma;
|
||||||
|
tmsize_t n;
|
||||||
|
- ma=(tmsize_t)td->td_stripoffset[strip];
|
||||||
|
- mb=ma+size;
|
||||||
|
- if ((td->td_stripoffset[strip] > (uint64)TIFF_TMSIZE_T_MAX)||(ma>tif->tif_size))
|
||||||
|
- n=0;
|
||||||
|
- else if ((mb<ma)||(mb<size)||(mb>tif->tif_size))
|
||||||
|
- n=tif->tif_size-ma;
|
||||||
|
- else
|
||||||
|
- n=size;
|
||||||
|
+ if ((td->td_stripoffset[strip] > (uint64)TIFF_TMSIZE_T_MAX)||
|
||||||
|
+ ((ma=(tmsize_t)td->td_stripoffset[strip])>tif->tif_size))
|
||||||
|
+ {
|
||||||
|
+ n=0;
|
||||||
|
+ }
|
||||||
|
+ else if( ma > TIFF_TMSIZE_T_MAX - size )
|
||||||
|
+ {
|
||||||
|
+ n=0;
|
||||||
|
+ }
|
||||||
|
+ else
|
||||||
|
+ {
|
||||||
|
+ tmsize_t mb=ma+size;
|
||||||
|
+ if (mb>tif->tif_size)
|
||||||
|
+ n=tif->tif_size-ma;
|
||||||
|
+ else
|
||||||
|
+ n=size;
|
||||||
|
+ }
|
||||||
|
if (n!=size) {
|
||||||
|
#if defined(__WIN32__) && (defined(_MSC_VER) || defined(__MINGW32__))
|
||||||
|
TIFFErrorExt(tif->tif_clientdata, module,
|
||||||
Loading…
Reference in New Issue