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authorLeo Famulari <leo@famulari.name>2017-01-23 02:06:40 -0500
committerLeo Famulari <leo@famulari.name>2017-01-23 02:13:38 -0500
commit62cf8fa7cd2126cce5f1ac37feeb3ca75db6f6bf (patch)
treec5bf2e9a6cdb41e32b1ad3dad7c8950e6c2910e1 /gnu/packages/patches
parentffcfaf2b18b2360abb4380bb9dec3f39051831cb (diff)
downloadguix-62cf8fa7cd2126cce5f1ac37feeb3ca75db6f6bf.tar
guix-62cf8fa7cd2126cce5f1ac37feeb3ca75db6f6bf.tar.gz
gnu: libtiff: Fix CVE-2017-5225.
* gnu/packages/patches/libtiff-CVE-2017-5225.patch: New file. * gnu/local.mk (dist_patch_DATA): Add it. * gnu/packages/image.scm (libtiff/fixed)[source]: Use it.
Diffstat (limited to 'gnu/packages/patches')
-rw-r--r--gnu/packages/patches/libtiff-CVE-2017-5225.patch86
1 files changed, 86 insertions, 0 deletions
diff --git a/gnu/packages/patches/libtiff-CVE-2017-5225.patch b/gnu/packages/patches/libtiff-CVE-2017-5225.patch
new file mode 100644
index 0000000000..3158b49360
--- /dev/null
+++ b/gnu/packages/patches/libtiff-CVE-2017-5225.patch
@@ -0,0 +1,86 @@
+Fix CVE-2017-5225 (Heap based buffer overflow in tools/tiffcp):
+
+http://bugzilla.maptools.org/show_bug.cgi?id=2656
+https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5225
+https://security-tracker.debian.org/tracker/CVE-2017-5225
+
+2017-01-11 Even Rouault <even.rouault at spatialys.com>
+
+ * tools/tiffcp.c: error out cleanly in cpContig2SeparateByRow and
+ cpSeparate2ContigByRow if BitsPerSample != 8 to avoid heap based
+overflow.
+ Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2656 and
+ http://bugzilla.maptools.org/show_bug.cgi?id=2657
+
+
+less C/cvs/maptools/cvsroot/libtiff/ChangeLog,v <-- ChangeLog
+new revision: 1.1210; previous revision: 1.1209
+/cvs/maptools/cvsroot/libtiff/tools/tiffcp.c,v <-- tools/tiffcp.c
+new revision: 1.61; previous revision: 1.60
+
+Index: libtiff/tools/tiffcp.c
+===================================================================
+RCS file: /cvs/maptools/cvsroot/libtiff/tools/tiffcp.c,v
+retrieving revision 1.60
+retrieving revision 1.61
+diff -u -r1.60 -r1.61
+--- libtiff/tools/tiffcp.c 3 Dec 2016 16:50:02 -0000 1.60
++++ libtiff/tools/tiffcp.c 11 Jan 2017 19:26:14 -0000 1.61
+#@@ -1,4 +1,4 @@
+#-/* $Id: tiffcp.c,v 1.60 2016-12-03 16:50:02 erouault Exp $ */
+#+/* $Id: tiffcp.c,v 1.61 2017-01-11 19:26:14 erouault Exp $ */
+#
+# /*
+# * Copyright (c) 1988-1997 Sam Leffler
+@@ -591,7 +591,7 @@
+ static int
+ tiffcp(TIFF* in, TIFF* out)
+ {
+- uint16 bitspersample, samplesperpixel = 1;
++ uint16 bitspersample = 1, samplesperpixel = 1;
+ uint16 input_compression, input_photometric = PHOTOMETRIC_MINISBLACK;
+ copyFunc cf;
+ uint32 width, length;
+@@ -1067,6 +1067,16 @@
+ register uint32 n;
+ uint32 row;
+ tsample_t s;
++ uint16 bps = 0;
++
++ (void) TIFFGetField(in, TIFFTAG_BITSPERSAMPLE, &bps);
++ if( bps != 8 )
++ {
++ TIFFError(TIFFFileName(in),
++ "Error, can only handle BitsPerSample=8 in %s",
++ "cpContig2SeparateByRow");
++ return 0;
++ }
+
+ inbuf = _TIFFmalloc(scanlinesizein);
+ outbuf = _TIFFmalloc(scanlinesizeout);
+@@ -1120,6 +1130,16 @@
+ register uint32 n;
+ uint32 row;
+ tsample_t s;
++ uint16 bps = 0;
++
++ (void) TIFFGetField(in, TIFFTAG_BITSPERSAMPLE, &bps);
++ if( bps != 8 )
++ {
++ TIFFError(TIFFFileName(in),
++ "Error, can only handle BitsPerSample=8 in %s",
++ "cpSeparate2ContigByRow");
++ return 0;
++ }
+
+ inbuf = _TIFFmalloc(scanlinesizein);
+ outbuf = _TIFFmalloc(scanlinesizeout);
+@@ -1784,7 +1804,7 @@
+ uint32 w, l, tw, tl;
+ int bychunk;
+
+- (void) TIFFGetField(in, TIFFTAG_PLANARCONFIG, &shortv);
++ (void) TIFFGetFieldDefaulted(in, TIFFTAG_PLANARCONFIG, &shortv);
+ if (shortv != config && bitspersample != 8 && samplesperpixel > 1) {
+ fprintf(stderr,
+ "%s: Cannot handle different planar configuration w/ bits/sample != 8\n",