diff options
Diffstat (limited to 'gnu/packages/patches/libtiff-CVE-2016-10093.patch')
| -rw-r--r-- | gnu/packages/patches/libtiff-CVE-2016-10093.patch | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/gnu/packages/patches/libtiff-CVE-2016-10093.patch b/gnu/packages/patches/libtiff-CVE-2016-10093.patch new file mode 100644 index 0000000000..5897ec1029 --- /dev/null +++ b/gnu/packages/patches/libtiff-CVE-2016-10093.patch @@ -0,0 +1,53 @@ +Fix CVE-2016-10093: + +http://bugzilla.maptools.org/show_bug.cgi?id=2610 +https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-10093 +https://security-tracker.debian.org/tracker/CVE-2016-10093 + +2016-12-03 Even Rouault <even.rouault at spatialys.com> + + * tools/tiffcp.c: fix uint32 underflow/overflow that can cause + heap-based buffer overflow. + Reported by Agostino Sarubbo. + Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2610 + +/cvs/maptools/cvsroot/libtiff/ChangeLog,v <-- ChangeLog +new revision: 1.1187; previous revision: 1.1186 +/cvs/maptools/cvsroot/libtiff/tools/tiffcp.c,v <-- tools/tiffcp.c +new revision: 1.59; previous revision: 1.58 + +Index: libtiff/tools/tiffcp.c +=================================================================== +RCS file: /cvs/maptools/cvsroot/libtiff/tools/tiffcp.c,v +retrieving revision 1.58 +retrieving revision 1.59 +diff -u -r1.58 -r1.59 +--- libtiff/tools/tiffcp.c 3 Dec 2016 15:44:15 -0000 1.58 ++++ libtiff/tools/tiffcp.c 3 Dec 2016 16:40:01 -0000 1.59 +@@ -1163,7 +1163,7 @@ + + static void + cpStripToTile(uint8* out, uint8* in, +- uint32 rows, uint32 cols, int outskew, int inskew) ++ uint32 rows, uint32 cols, int outskew, int64 inskew) + { + while (rows-- > 0) { + uint32 j = cols; +@@ -1320,7 +1320,7 @@ + tdata_t tilebuf; + uint32 imagew = TIFFScanlineSize(in); + uint32 tilew = TIFFTileRowSize(in); +- int iskew = imagew - tilew; ++ int64 iskew = (int64)imagew - (int64)tilew; + uint8* bufp = (uint8*) buf; + uint32 tw, tl; + uint32 row; +@@ -1348,7 +1348,7 @@ + status = 0; + goto done; + } +- if (colb + tilew > imagew) { ++ if (colb > iskew) { + uint32 width = imagew - colb; + uint32 oskew = tilew - width; + cpStripToTile(bufp + colb, |