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gnu: libtiff: Fix CVE-2016-9448. 

* gnu/packages/patches/libtiff-CVE-2016-9448.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/image.scm (libtiff/fixed)[source]: Use it.
master
Leo Famulari 2016-11-19 11:12:34 -05:00
parent b7e0f65b40
commit 2fedcd1895
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3 changed files with 37 additions and 1 deletions
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1
gnu/local.mk
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@ -671,6 +671,7 @@ dist_patch_DATA = \
%D%/packages/patches/libtiff-CVE-2016-5652.patch \
%D%/packages/patches/libtiff-CVE-2016-9273.patch \
%D%/packages/patches/libtiff-CVE-2016-9297.patch \
%D%/packages/patches/libtiff-CVE-2016-9448.patch \
%D%/packages/patches/libtiff-oob-accesses-in-decode.patch \
%D%/packages/patches/libtiff-oob-write-in-nextdecode.patch \
%D%/packages/patches/libtiff-uint32-overflow.patch \

3
gnu/packages/image.scm
View File

@ -302,7 +302,8 @@ collection of tools for doing simple manipulations of TIFF images.")
"libtiff-CVE-2016-5323.patch"
"libtiff-CVE-2016-5652.patch"
"libtiff-CVE-2016-9273.patch"
"libtiff-CVE-2016-9297.patch"))))))
"libtiff-CVE-2016-9297.patch"
"libtiff-CVE-2016-9448.patch"))))))
(define-public libwmf
(package

34
gnu/packages/patches/libtiff-CVE-2016-9448.patch Normal file
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@ -0,0 +1,34 @@
Fix CVE-2016-9448 (regression caused by fix for CVE-2016-9297).
http://bugzilla.maptools.org/show_bug.cgi?id=2593
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9448
Patch copied from upstream source repository with:
$ cvs diff -u -r 1.203 -r 1.204 libtiff/libtiff/tif_dirread.c
Index: libtiff/libtiff/tif_dirread.c
===================================================================
RCS file: /cvs/maptools/cvsroot/libtiff/libtiff/tif_dirread.c,v
retrieving revision 1.203
retrieving revision 1.204
diff -u -r1.203 -r1.204
--- libtiff/libtiff/tif_dirread.c 11 Nov 2016 20:22:01 -0000 1.203
+++ libtiff/libtiff/tif_dirread.c 16 Nov 2016 15:14:15 -0000 1.204
@@ -5000,7 +5000,7 @@
if (err==TIFFReadDirEntryErrOk)
{
int m;
- if( data[dp->tdir_count-1] != '\0' )
+ if( dp->tdir_count > 0 && data[dp->tdir_count-1] != '\0' )
{
TIFFWarningExt(tif->tif_clientdata,module,"ASCII value for tag \"%s\" does not end in null byte. Forcing it to be null",fip->field_name);
data[dp->tdir_count-1] = '\0';
@@ -5177,7 +5177,7 @@
if (err==TIFFReadDirEntryErrOk)
{
int m;
- if( data[dp->tdir_count-1] != '\0' )
+ if( dp->tdir_count > 0 && data[dp->tdir_count-1] != '\0' )
{
TIFFWarningExt(tif->tif_clientdata,module,"ASCII value for tag \"%s\" does not end in null byte. Forcing it to be null",fip->field_name);
data[dp->tdir_count-1] = '\0';