diff options
Diffstat (limited to 'gnu/packages/patches/libtiff-CVE-2017-7593.patch')
| -rw-r--r-- | gnu/packages/patches/libtiff-CVE-2017-7593.patch | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/gnu/packages/patches/libtiff-CVE-2017-7593.patch b/gnu/packages/patches/libtiff-CVE-2017-7593.patch new file mode 100644 index 0000000000..496efb73b9 --- /dev/null +++ b/gnu/packages/patches/libtiff-CVE-2017-7593.patch @@ -0,0 +1,113 @@ +Fixes CVE-2017-7593 (Potential uninitialized-memory access from tif_rawdata): + +http://bugzilla.maptools.org/show_bug.cgi?id=2651 +https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7593 +https://security-tracker.debian.org/tracker/CVE-2017-7593 + +2017-01-11 Even Rouault <even.rouault at spatialys.com> + + * libtiff/tiffio.h, tif_unix.c, tif_win32.c, tif_vms.c: add + _TIFFcalloc() + + * libtiff/tif_read.c: TIFFReadBufferSetup(): use _TIFFcalloc() to zero + initialize tif_rawdata. + Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2651 + +/cvs/maptools/cvsroot/libtiff/ChangeLog,v <-- ChangeLog +new revision: 1.1208; previous revision: 1.1207 +/cvs/maptools/cvsroot/libtiff/libtiff/tif_read.c,v <-- libtiff/tif_read.c +new revision: 1.53; previous revision: 1.52 +/cvs/maptools/cvsroot/libtiff/libtiff/tif_unix.c,v <-- libtiff/tif_unix.c +new revision: 1.28; previous revision: 1.27 +/cvs/maptools/cvsroot/libtiff/libtiff/tif_vms.c,v <-- libtiff/tif_vms.c +new revision: 1.14; previous revision: 1.13 +/cvs/maptools/cvsroot/libtiff/libtiff/tif_win32.c,v <-- libtiff/tif_win32.c +new revision: 1.42; previous revision: 1.41 +/cvs/maptools/cvsroot/libtiff/libtiff/tiffio.h,v <-- libtiff/tiffio.h +new revision: 1.94; previous revision: 1.93 + +diff -ru tiff-4.0.7/libtiff/tiffio.h tiff-4.0.7.new/libtiff/tiffio.h +--- tiff-4.0.7/libtiff/tiffio.h 1969-12-31 19:00:00.000000000 -0500 ++++ tiff-4.0.7.new/libtiff/tiffio.h 2017-05-05 19:08:03.772999790 -0400 +@@ -1,4 +1,4 @@ +-/* $Id: tiffio.h,v 1.92 2016-01-23 21:20:34 erouault Exp $ */ ++/* $Id: tiffio.h,v 1.94 2017-01-11 19:02:49 erouault Exp $ */ + + /* + * Copyright (c) 1988-1997 Sam Leffler +@@ -293,6 +293,7 @@ + */ + + extern void* _TIFFmalloc(tmsize_t s); ++extern void* _TIFFcalloc(tmsize_t nmemb, tmsize_t siz); + extern void* _TIFFrealloc(void* p, tmsize_t s); + extern void _TIFFmemset(void* p, int v, tmsize_t c); + extern void _TIFFmemcpy(void* d, const void* s, tmsize_t c); +diff -ru tiff-4.0.7/libtiff/tif_read.c tiff-4.0.7.new/libtiff/tif_read.c +--- tiff-4.0.7/libtiff/tif_read.c 2017-05-05 19:04:09.740966642 -0400 ++++ tiff-4.0.7.new/libtiff/tif_read.c 2017-05-05 18:59:11.070709441 -0400 +@@ -1,4 +1,4 @@ +-/* $Id: tif_read.c,v 1.50 2016-12-02 21:56:56 erouault Exp $ */ ++/* $Id: tif_read.c,v 1.53 2017-01-11 19:02:49 erouault Exp $ */ + + /* + * Copyright (c) 1988-1997 Sam Leffler +@@ -976,7 +976,9 @@ + "Invalid buffer size"); + return (0); + } +- tif->tif_rawdata = (uint8*) _TIFFmalloc(tif->tif_rawdatasize); ++ /* Initialize to zero to avoid uninitialized buffers in case of */ ++ /* short reads (http://bugzilla.maptools.org/show_bug.cgi?id=2651) */ ++ tif->tif_rawdata = (uint8*) _TIFFcalloc(1, tif->tif_rawdatasize); + tif->tif_flags |= TIFF_MYBUFFER; + } + if (tif->tif_rawdata == NULL) { +diff -ru tiff-4.0.7/libtiff/tif_unix.c tiff-4.0.7.new/libtiff/tif_unix.c +--- tiff-4.0.7/libtiff/tif_unix.c 1969-12-31 19:00:00.000000000 -0500 ++++ tiff-4.0.7.new/libtiff/tif_unix.c 2017-05-05 19:10:48.302645187 -0400 +@@ -1,4 +1,4 @@ +-/* $Id: tif_unix.c,v 1.27 2015-08-19 02:31:04 bfriesen Exp $ */ ++/* $Id: tif_unix.c,v 1.28 2017-01-11 19:02:49 erouault Exp $ */ + + /* + * Copyright (c) 1988-1997 Sam Leffler +@@ -316,6 +316,14 @@ + return (malloc((size_t) s)); + } + ++void* _TIFFcalloc(tmsize_t nmemb, tmsize_t siz) ++{ ++ if( nmemb == 0 || siz == 0 ) ++ return ((void *) NULL); ++ ++ return calloc((size_t) nmemb, (size_t)siz); ++} ++ + void + _TIFFfree(void* p) + { +diff -ru tiff-4.0.7/libtiff/tif_win32.c tiff-4.0.7.new/libtiff/tif_win32.c +--- tiff-4.0.7/libtiff/tif_win32.c 1969-12-31 19:00:00.000000000 -0500 ++++ tiff-4.0.7.new/libtiff/tif_win32.c 2017-05-05 19:13:06.903399627 -0400 +@@ -1,4 +1,4 @@ +-/* $Id: tif_win32.c,v 1.41 2015-08-23 20:12:44 bfriesen Exp $ */ ++/* $Id: tif_win32.c,v 1.42 2017-01-11 19:02:49 erouault Exp $ */ + + /* + * Copyright (c) 1988-1997 Sam Leffler +@@ -360,6 +360,14 @@ + return (malloc((size_t) s)); + } + ++void* _TIFFcalloc(tmsize_t nmemb, tmsize_t siz) ++{ ++ if( nmemb == 0 || siz == 0 ) ++ return ((void *) NULL); ++ ++ return calloc((size_t) nmemb, (size_t)siz); ++} ++ + void + _TIFFfree(void* p) + { |