diff options
Diffstat (limited to 'gnu/packages/patches')
| -rw-r--r-- | gnu/packages/patches/libtiff-CVE-2016-9297.patch | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/gnu/packages/patches/libtiff-CVE-2016-9297.patch b/gnu/packages/patches/libtiff-CVE-2016-9297.patch new file mode 100644 index 0000000000..c9207bbd25 --- /dev/null +++ b/gnu/packages/patches/libtiff-CVE-2016-9297.patch @@ -0,0 +1,52 @@ +Fix CVE-2016-9297: + +https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9297 +http://bugzilla.maptools.org/show_bug.cgi?id=2590 + +Patch copied from upstream source repository. + +2016-11-11 Even Rouault <even.rouault at spatialys.com> + + * libtiff/tif_dirread.c: in TIFFFetchNormalTag(), make sure that + values of tags with TIFF_SETGET_C16_ASCII / TIFF_SETGET_C32_ASCII + access are null terminated, to avoid potential read outside buffer + in _TIFFPrintField(). + Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2590 + + +/cvs/maptools/cvsroot/libtiff/ChangeLog,v <-- ChangeLog +new revision: 1.1154; previous revision: 1.1153 +/cvs/maptools/cvsroot/libtiff/libtiff/tif_dirread.c,v <-- +libtiff/tif_dirread.c +new revision: 1.203; previous revision: 1.202Index: libtiff/libtiff/tif_dirread.c +=================================================================== +RCS file: /cvs/maptools/cvsroot/libtiff/libtiff/tif_dirread.c,v +retrieving revision 1.202 +retrieving revision 1.203 +diff -u -r1.202 -r1.203 +--- libtiff/libtiff/tif_dirread.c 11 Nov 2016 20:01:55 -0000 1.202 ++++ libtiff/libtiff/tif_dirread.c 11 Nov 2016 20:22:01 -0000 1.203 +@@ -5000,6 +5000,11 @@ + if (err==TIFFReadDirEntryErrOk) + { + int m; ++ if( 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'; ++ } + m=TIFFSetField(tif,dp->tdir_tag,(uint16)(dp->tdir_count),data); + if (data!=0) + _TIFFfree(data); +@@ -5172,6 +5177,11 @@ + if (err==TIFFReadDirEntryErrOk) + { + int m; ++ if( 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'; ++ } + m=TIFFSetField(tif,dp->tdir_tag,(uint32)(dp->tdir_count),data); + if (data!=0) + _TIFFfree(data); |