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gnu: libtiff: Fix CVE-2016-{3623,3945,3990,3991,5321,5323}.

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* gnu/packages/image.scm (libtiff)[replacement]: New field.
(libtiff/fixed): New variable.
* gnu/packages/patches/libtiff-CVE-2016-3623.patch,
gnu/packages/patches/libtiff-CVE-2016-3945.patch,
gnu/packages/patches/libtiff-CVE-2016-3990.patch,
gnu/packages/patches/libtiff-CVE-2016-3991.patch,
gnu/packages/patches/libtiff-CVE-2016-5321.patch,
gnu/packages/patches/libtiff-CVE-2016-5323.patch: New files.
* gnu/local.mk (dist_patch_DATA): Add them.
This commit is contained in:
Leo Famulari 2016-08-23 15:34:16 -04:00
parent 9c85fea912
commit ed5940b617
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GPG key ID: 2646FA30BACA7F08
8 changed files with 414 additions and 0 deletions
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6
gnu/local.mk
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@ -626,6 +626,12 @@ dist_patch_DATA = \
%D%/packages/patches/libtar-CVE-2013-4420.patch \
%D%/packages/patches/libtheora-config-guess.patch \
%D%/packages/patches/libtiff-CVE-2015-8665+CVE-2015-8683.patch \
%D%/packages/patches/libtiff-CVE-2016-3623.patch \
%D%/packages/patches/libtiff-CVE-2016-3945.patch \
%D%/packages/patches/libtiff-CVE-2016-3990.patch \
%D%/packages/patches/libtiff-CVE-2016-3991.patch \
%D%/packages/patches/libtiff-CVE-2016-5321.patch \
%D%/packages/patches/libtiff-CVE-2016-5323.patch \
%D%/packages/patches/libtiff-oob-accesses-in-decode.patch \
%D%/packages/patches/libtiff-oob-write-in-nextdecode.patch \
%D%/packages/patches/libtool-skip-tests2.patch \

17
gnu/packages/image.scm
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@ -150,6 +150,7 @@ (define-public jpegoptim
(define-public libtiff
(package
(name "libtiff")
(replacement libtiff/fixed)
(version "4.0.6")
(source (origin
(method url-fetch)
@ -182,6 +183,22 @@ (define-public libtiff
"See COPYRIGHT in the distribution."))
(home-page "http://www.remotesensing.org/libtiff/")))
(define libtiff/fixed
(package
(inherit libtiff)
(source (origin
(inherit (package-source libtiff))
(patches (search-patches
"libtiff-oob-accesses-in-decode.patch"
"libtiff-oob-write-in-nextdecode.patch"
"libtiff-CVE-2015-8665+CVE-2015-8683.patch"
"libtiff-CVE-2016-3623.patch"
"libtiff-CVE-2016-3945.patch"
"libtiff-CVE-2016-3990.patch"
"libtiff-CVE-2016-3991.patch"
"libtiff-CVE-2016-5321.patch"
"libtiff-CVE-2016-5323.patch"))))))
(define-public libwmf
(package
(name "libwmf")

30
gnu/packages/patches/libtiff-CVE-2016-3623.patch Normal file
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@ -0,0 +1,30 @@
Fix CVE-2016-3623.
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-3623
http://bugzilla.maptools.org/show_bug.cgi?id=2569
Patch extracted from upstream CVS repo with:
$ cvs diff -u -r1.16 -r1.17 tools/rgb2ycbcr.c
Index: tools/rgb2ycbcr.c
===================================================================
RCS file: /cvs/maptools/cvsroot/libtiff/tools/rgb2ycbcr.c,v
retrieving revision 1.16
retrieving revision 1.17
diff -u -r1.16 -r1.17
--- libtiff/tools/rgb2ycbcr.c 21 Jun 2015 01:09:10 -0000 1.16
+++ libtiff/tools/rgb2ycbcr.c 15 Aug 2016 21:26:56 -0000 1.17
@@ -95,9 +95,13 @@
break;
case 'h':
horizSubSampling = atoi(optarg);
+ if( horizSubSampling != 1 && horizSubSampling != 2 && horizSubSampling != 4 )
+ usage(-1);
break;
case 'v':
vertSubSampling = atoi(optarg);
+ if( vertSubSampling != 1 && vertSubSampling != 2 && vertSubSampling != 4 )
+ usage(-1);
break;
case 'r':
rowsperstrip = atoi(optarg);

94
gnu/packages/patches/libtiff-CVE-2016-3945.patch Normal file
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@ -0,0 +1,94 @@
Fix CVE-2016-3945 (integer overflow in size of allocated
buffer, when -b mode is enabled, that could result in out-of-bounds
write).
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-3945
http://bugzilla.maptools.org/show_bug.cgi?id=2545
Patch extracted from upstream CVS repo with:
$ cvs diff -u -r1.21 -r1.22 tools/tiff2rgba.c
Index: tools/tiff2rgba.c
===================================================================
RCS file: /cvs/maptools/cvsroot/libtiff/tools/tiff2rgba.c,v
retrieving revision 1.21
retrieving revision 1.22
diff -u -r1.21 -r1.22
--- libtiff/tools/tiff2rgba.c 21 Jun 2015 01:09:10 -0000 1.21
+++ libtiff/tools/tiff2rgba.c 15 Aug 2016 20:06:41 -0000 1.22
@@ -147,6 +147,7 @@
uint32 row, col;
uint32 *wrk_line;
int ok = 1;
+ uint32 rastersize, wrk_linesize;
TIFFGetField(in, TIFFTAG_IMAGEWIDTH, &width);
TIFFGetField(in, TIFFTAG_IMAGELENGTH, &height);
@@ -163,7 +164,13 @@
/*
* Allocate tile buffer
*/
- raster = (uint32*)_TIFFmalloc(tile_width * tile_height * sizeof (uint32));
+ rastersize = tile_width * tile_height * sizeof (uint32);
+ if (tile_width != (rastersize / tile_height) / sizeof( uint32))
+ {
+ TIFFError(TIFFFileName(in), "Integer overflow when calculating raster buffer");
+ exit(-1);
+ }
+ raster = (uint32*)_TIFFmalloc(rastersize);
if (raster == 0) {
TIFFError(TIFFFileName(in), "No space for raster buffer");
return (0);
@@ -173,7 +180,13 @@
* Allocate a scanline buffer for swapping during the vertical
* mirroring pass.
*/
- wrk_line = (uint32*)_TIFFmalloc(tile_width * sizeof (uint32));
+ wrk_linesize = tile_width * sizeof (uint32);
+ if (tile_width != wrk_linesize / sizeof (uint32))
+ {
+ TIFFError(TIFFFileName(in), "Integer overflow when calculating wrk_line buffer");
+ exit(-1);
+ }
+ wrk_line = (uint32*)_TIFFmalloc(wrk_linesize);
if (!wrk_line) {
TIFFError(TIFFFileName(in), "No space for raster scanline buffer");
ok = 0;
@@ -249,6 +262,7 @@
uint32 row;
uint32 *wrk_line;
int ok = 1;
+ uint32 rastersize, wrk_linesize;
TIFFGetField(in, TIFFTAG_IMAGEWIDTH, &width);
TIFFGetField(in, TIFFTAG_IMAGELENGTH, &height);
@@ -263,7 +277,13 @@
/*
* Allocate strip buffer
*/
- raster = (uint32*)_TIFFmalloc(width * rowsperstrip * sizeof (uint32));
+ rastersize = width * rowsperstrip * sizeof (uint32);
+ if (width != (rastersize / rowsperstrip) / sizeof( uint32))
+ {
+ TIFFError(TIFFFileName(in), "Integer overflow when calculating raster buffer");
+ exit(-1);
+ }
+ raster = (uint32*)_TIFFmalloc(rastersize);
if (raster == 0) {
TIFFError(TIFFFileName(in), "No space for raster buffer");
return (0);
@@ -273,7 +293,13 @@
* Allocate a scanline buffer for swapping during the vertical
* mirroring pass.
*/
- wrk_line = (uint32*)_TIFFmalloc(width * sizeof (uint32));
+ wrk_linesize = width * sizeof (uint32);
+ if (width != wrk_linesize / sizeof (uint32))
+ {
+ TIFFError(TIFFFileName(in), "Integer overflow when calculating wrk_line buffer");
+ exit(-1);
+ }
+ wrk_line = (uint32*)_TIFFmalloc(wrk_linesize);
if (!wrk_line) {
TIFFError(TIFFFileName(in), "No space for raster scanline buffer");
ok = 0;

31
gnu/packages/patches/libtiff-CVE-2016-3990.patch Normal file
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@ -0,0 +1,31 @@
Fix CVE-2016-3990 (write buffer overflow in PixarLogEncode if more input
samples are provided than expected by PixarLogSetupEncode).
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-3990
http://bugzilla.maptools.org/show_bug.cgi?id=2544
Patch extracted from upstream CVS repo with:
$ cvs diff -u -r1.45 -r1.46 libtiff/tif_pixarlog.c
Index: libtiff/tif_pixarlog.c
===================================================================
RCS file: /cvs/maptools/cvsroot/libtiff/libtiff/tif_pixarlog.c,v
retrieving revision 1.45
retrieving revision 1.46
diff -u -r1.45 -r1.46
--- libtiff/libtiff/tif_pixarlog.c 28 Jun 2016 15:37:33 -0000 1.45
+++ libtiff/libtiff/tif_pixarlog.c 15 Aug 2016 20:49:48 -0000 1.46
@@ -1141,6 +1141,13 @@
}
llen = sp->stride * td->td_imagewidth;
+ /* Check against the number of elements (of size uint16) of sp->tbuf */
+ if( n > td->td_rowsperstrip * llen )
+ {
+ TIFFErrorExt(tif->tif_clientdata, module,
+ "Too many input bytes provided");
+ return 0;
+ }
for (i = 0, up = sp->tbuf; i < n; i += llen, up += llen) {
switch (sp->user_datafmt) {

123
gnu/packages/patches/libtiff-CVE-2016-3991.patch Normal file
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@ -0,0 +1,123 @@
Fix CVE-2016-3991 (out-of-bounds write in loadImage()).
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-3991
http://bugzilla.maptools.org/show_bug.cgi?id=2543
Patch extracted from upstream CVS repo with:
$ cvs diff -u -r1.37 -r1.38 tools/tiffcrop.c
Index: tools/tiffcrop.c
===================================================================
RCS file: /cvs/maptools/cvsroot/libtiff/tools/tiffcrop.c,v
retrieving revision 1.37
retrieving revision 1.38
diff -u -r1.37 -r1.38
--- libtiff/tools/tiffcrop.c 11 Jul 2016 21:38:31 -0000 1.37
+++ libtiff/tools/tiffcrop.c 15 Aug 2016 21:05:40 -0000 1.38
@@ -798,6 +798,11 @@
}
tile_buffsize = tilesize;
+ if (tilesize == 0 || tile_rowsize == 0)
+ {
+ TIFFError("readContigTilesIntoBuffer", "Tile size or tile rowsize is zero");
+ exit(-1);
+ }
if (tilesize < (tsize_t)(tl * tile_rowsize))
{
@@ -807,7 +812,12 @@
tilesize, tl * tile_rowsize);
#endif
tile_buffsize = tl * tile_rowsize;
- }
+ if (tl != (tile_buffsize / tile_rowsize))
+ {
+ TIFFError("readContigTilesIntoBuffer", "Integer overflow when calculating buffer size.");
+ exit(-1);
+ }
+ }
tilebuf = _TIFFmalloc(tile_buffsize);
if (tilebuf == 0)
@@ -1210,6 +1220,12 @@
!TIFFGetField(out, TIFFTAG_BITSPERSAMPLE, &bps) )
return 1;
+ if (tilesize == 0 || tile_rowsize == 0 || tl == 0 || tw == 0)
+ {
+ TIFFError("writeBufferToContigTiles", "Tile size, tile row size, tile width, or tile length is zero");
+ exit(-1);
+ }
+
tile_buffsize = tilesize;
if (tilesize < (tsize_t)(tl * tile_rowsize))
{
@@ -1219,6 +1235,11 @@
tilesize, tl * tile_rowsize);
#endif
tile_buffsize = tl * tile_rowsize;
+ if (tl != tile_buffsize / tile_rowsize)
+ {
+ TIFFError("writeBufferToContigTiles", "Integer overflow when calculating buffer size");
+ exit(-1);
+ }
}
tilebuf = _TIFFmalloc(tile_buffsize);
@@ -5945,12 +5966,27 @@
TIFFGetField(in, TIFFTAG_TILELENGTH, &tl);
tile_rowsize = TIFFTileRowSize(in);
+ if (ntiles == 0 || tlsize == 0 || tile_rowsize == 0)
+ {
+ TIFFError("loadImage", "File appears to be tiled, but the number of tiles, tile size, or tile rowsize is zero.");
+ exit(-1);
+ }
buffsize = tlsize * ntiles;
+ if (tlsize != (buffsize / ntiles))
+ {
+ TIFFError("loadImage", "Integer overflow when calculating buffer size");
+ exit(-1);
+ }
-
if (buffsize < (uint32)(ntiles * tl * tile_rowsize))
{
buffsize = ntiles * tl * tile_rowsize;
+ if (ntiles != (buffsize / tl / tile_rowsize))
+ {
+ TIFFError("loadImage", "Integer overflow when calculating buffer size");
+ exit(-1);
+ }
+
#ifdef DEBUG2
TIFFError("loadImage",
"Tilesize %u is too small, using ntiles * tilelength * tilerowsize %lu",
@@ -5969,8 +6005,25 @@
TIFFGetFieldDefaulted(in, TIFFTAG_ROWSPERSTRIP, &rowsperstrip);
stsize = TIFFStripSize(in);
nstrips = TIFFNumberOfStrips(in);
+ if (nstrips == 0 || stsize == 0)
+ {
+ TIFFError("loadImage", "File appears to be striped, but the number of stipes or stripe size is zero.");
+ exit(-1);
+ }
+
buffsize = stsize * nstrips;
-
+ if (stsize != (buffsize / nstrips))
+ {
+ TIFFError("loadImage", "Integer overflow when calculating buffer size");
+ exit(-1);
+ }
+ uint32 buffsize_check;
+ buffsize_check = ((length * width * spp * bps) + 7);
+ if (length != ((buffsize_check - 7) / width / spp / bps))
+ {
+ TIFFError("loadImage", "Integer overflow detected.");
+ exit(-1);
+ }
if (buffsize < (uint32) (((length * width * spp * bps) + 7) / 8))
{
buffsize = ((length * width * spp * bps) + 7) / 8;

25
gnu/packages/patches/libtiff-CVE-2016-5321.patch Normal file
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@ -0,0 +1,25 @@
Fix CVE-2016-5321.
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5321
http://bugzilla.maptools.org/show_bug.cgi?id=2558
Patch extracted from upstream CVS repo with:
$ cvs diff -u -r1.35 -r1.36 tools/tiffcrop.c
Index: tools/tiffcrop.c
===================================================================
RCS file: /cvs/maptools/cvsroot/libtiff/tools/tiffcrop.c,v
retrieving revision 1.35
retrieving revision 1.36
diff -u -r1.35 -r1.36
--- libtiff/tools/tiffcrop.c 19 Aug 2015 02:31:04 -0000 1.35
+++ libtiff/tools/tiffcrop.c 11 Jul 2016 21:26:03 -0000 1.36
@@ -989,7 +989,7 @@
nrow = (row + tl > imagelength) ? imagelength - row : tl;
for (col = 0; col < imagewidth; col += tw)
{
- for (s = 0; s < spp; s++)
+ for (s = 0; s < spp && s < MAX_SAMPLES; s++)
{ /* Read each plane of a tile set into srcbuffs[s] */
tbytes = TIFFReadTile(in, srcbuffs[s], col, row, 0, s);
if (tbytes < 0 && !ignore)

88
gnu/packages/patches/libtiff-CVE-2016-5323.patch Normal file
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@ -0,0 +1,88 @@
Fix CVE-2016-5323.
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5323
http://bugzilla.maptools.org/show_bug.cgi?id=2559
Patch extracted from upstream CVS repo with:
$ cvs diff -u -r1.36 -r1.37 tools/tiffcrop.c
Index: tools/tiffcrop.c
===================================================================
RCS file: /cvs/maptools/cvsroot/libtiff/tools/tiffcrop.c,v
retrieving revision 1.36
retrieving revision 1.37
diff -u -r1.36 -r1.37
--- libtiff/tools/tiffcrop.c 11 Jul 2016 21:26:03 -0000 1.36
+++ libtiff/tools/tiffcrop.c 11 Jul 2016 21:38:31 -0000 1.37
@@ -3738,7 +3738,7 @@
matchbits = maskbits << (8 - src_bit - bps);
/* load up next sample from each plane */
- for (s = 0; s < spp; s++)
+ for (s = 0; (s < spp) && (s < MAX_SAMPLES); s++)
{
src = in[s] + src_offset + src_byte;
buff1 = ((*src) & matchbits) << (src_bit);
@@ -3837,7 +3837,7 @@
src_bit = bit_offset % 8;
matchbits = maskbits << (16 - src_bit - bps);
- for (s = 0; s < spp; s++)
+ for (s = 0; (s < spp) && (s < MAX_SAMPLES); s++)
{
src = in[s] + src_offset + src_byte;
if (little_endian)
@@ -3947,7 +3947,7 @@
src_bit = bit_offset % 8;
matchbits = maskbits << (32 - src_bit - bps);
- for (s = 0; s < spp; s++)
+ for (s = 0; (s < spp) && (s < MAX_SAMPLES); s++)
{
src = in[s] + src_offset + src_byte;
if (little_endian)
@@ -4073,7 +4073,7 @@
src_bit = bit_offset % 8;
matchbits = maskbits << (64 - src_bit - bps);
- for (s = 0; s < spp; s++)
+ for (s = 0; (s < spp) && (s < MAX_SAMPLES); s++)
{
src = in[s] + src_offset + src_byte;
if (little_endian)
@@ -4263,7 +4263,7 @@
matchbits = maskbits << (8 - src_bit - bps);
/* load up next sample from each plane */
- for (s = 0; s < spp; s++)
+ for (s = 0; (s < spp) && (s < MAX_SAMPLES); s++)
{
src = in[s] + src_offset + src_byte;
buff1 = ((*src) & matchbits) << (src_bit);
@@ -4362,7 +4362,7 @@
src_bit = bit_offset % 8;
matchbits = maskbits << (16 - src_bit - bps);
- for (s = 0; s < spp; s++)
+ for (s = 0; (s < spp) && (s < MAX_SAMPLES); s++)
{
src = in[s] + src_offset + src_byte;
if (little_endian)
@@ -4471,7 +4471,7 @@
src_bit = bit_offset % 8;
matchbits = maskbits << (32 - src_bit - bps);
- for (s = 0; s < spp; s++)
+ for (s = 0; (s < spp) && (s < MAX_SAMPLES); s++)
{
src = in[s] + src_offset + src_byte;
if (little_endian)
@@ -4597,7 +4597,7 @@
src_bit = bit_offset % 8;
matchbits = maskbits << (64 - src_bit - bps);
- for (s = 0; s < spp; s++)
+ for (s = 0; (s < spp) && (s < MAX_SAMPLES); s++)
{
src = in[s] + src_offset + src_byte;
if (little_endian)