guix/gnu/packages/patches/libtiff-null-dereference.patch
Leo Famulari 4b96149d8b
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.
2017-01-10 17:52:42 -05:00

42 lines
1.4 KiB
Diff

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;