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-rw-r--r--gnu/packages/patches/libtiff-CVE-2017-7593.patch113
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)
+ {