diff options
Diffstat (limited to 'gnu/packages/patches/libtiff-CVE-2016-9273.patch')
| -rw-r--r-- | gnu/packages/patches/libtiff-CVE-2016-9273.patch | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/gnu/packages/patches/libtiff-CVE-2016-9273.patch b/gnu/packages/patches/libtiff-CVE-2016-9273.patch new file mode 100644 index 0000000000..9cd6b3d8c5 --- /dev/null +++ b/gnu/packages/patches/libtiff-CVE-2016-9273.patch @@ -0,0 +1,41 @@ +Fix CVE-2016-9273: + +https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9273 +http://bugzilla.maptools.org/show_bug.cgi?id=2587 + +Patch extracted from upstream CVS repo: + +2016-11-10 Even Rouault <even.rouault at spatialys.com> + +revision 1.37 +date: 2016-11-09 18:00:49 -0500; author: erouault; state: Exp; lines: +10 -1; commitid: pzKipPxDJO2dxvtz; +* libtiff/tif_strip.c: make TIFFNumberOfStrips() return the td->td_nstrips +value when it is non-zero, instead of recomputing it. This is needed in +TIFF_STRIPCHOP mode where td_nstrips is modified. Fixes a read outsize of +array in tiffsplit (or other utilities using TIFFNumberOfStrips()). +Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2587 + +Index: libtiff/tif_strip.c +=================================================================== +RCS file: /cvs/maptools/cvsroot/libtiff/libtiff/tif_strip.c,v +retrieving revision 1.36 +retrieving revision 1.37 +diff -u -r1.36 -r1.37 +--- a/libtiff/tif_strip.c 7 Jun 2015 22:35:40 -0000 1.36 ++++ b/libtiff/tif_strip.c 9 Nov 2016 23:00:49 -0000 1.37 +@@ -63,6 +63,15 @@ + TIFFDirectory *td = &tif->tif_dir; + uint32 nstrips; + ++ /* If the value was already computed and store in td_nstrips, then return it, ++ since ChopUpSingleUncompressedStrip might have altered and resized the ++ since the td_stripbytecount and td_stripoffset arrays to the new value ++ after the initial affectation of td_nstrips = TIFFNumberOfStrips() in ++ tif_dirread.c ~line 3612. ++ See http://bugzilla.maptools.org/show_bug.cgi?id=2587 */ ++ if( td->td_nstrips ) ++ return td->td_nstrips; ++ + nstrips = (td->td_rowsperstrip == (uint32) -1 ? 1 : + TIFFhowmany_32(td->td_imagelength, td->td_rowsperstrip)); + if (td->td_planarconfig == PLANARCONFIG_SEPARATE) |