mirror of
https://git.in.rschanz.org/ryan77627/guix.git
synced 2024-12-26 06:18:07 -05:00
4b96149d8b
* gnu/packages/patches/libtiff-CVE-2016-10092.patch, gnu/packages/patches/libtiff-CVE-2016-10093.patch, gnu/packages/patches/libtiff-CVE-2016-10094.patch, gnu/packages/patches/libtiff-assertion-failure.patch, gnu/packages/patches/libtiff-divide-by-zero-ojpeg.patch, gnu/packages/patches/libtiff-divide-by-zero-tiffcp.patch, gnu/packages/patches/libtiff-divide-by-zero-tiffcrop.patch, gnu/packages/patches/libtiff-divide-by-zero.patch, gnu/packages/patches/libtiff-heap-overflow-pixarlog-luv.patch, gnu/packages/patches/libtiff-heap-overflow-tif-dirread.patch, gnu/packages/patches/libtiff-heap-overflow-tiffcp.patch, gnu/packages/patches/libtiff-heap-overflow-tiffcrop.patch, gnu/packages/patches/libtiff-invalid-read.patch, gnu/packages/patches/libtiff-null-dereference.patch, gnu/packages/patches/libtiff-tiffcp-underflow.patch: New files. * gnu/local.mk (dist_patch_DATA): Add them. * gnu/packages/image.scm (libtiff)[replacement]: New field. (libtiff/fixed): New variable.
63 lines
2 KiB
Diff
63 lines
2 KiB
Diff
Fix divide-by-zero in OJPEGDecodeRaw():
|
|
|
|
http://bugzilla.maptools.org/show_bug.cgi?id=2611
|
|
|
|
2016-12-03 Even Rouault <even.rouault at spatialys.com>
|
|
|
|
* libtiff/tif_ojpeg.c: make OJPEGDecode() early exit in case of failure
|
|
in
|
|
OJPEGPreDecode(). This will avoid a divide by zero, and potential other
|
|
issues.
|
|
Reported by Agostino Sarubbo.
|
|
Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2611
|
|
|
|
/cvs/maptools/cvsroot/libtiff/ChangeLog,v <-- ChangeLog
|
|
new revision: 1.1177; previous revision: 1.1176
|
|
/cvs/maptools/cvsroot/libtiff/libtiff/tif_ojpeg.c,v <-- libtiff/tif_ojpeg.c
|
|
new revision: 1.66; previous revision: 1.65
|
|
|
|
Index: libtiff/libtiff/tif_ojpeg.c
|
|
===================================================================
|
|
RCS file: /cvs/maptools/cvsroot/libtiff/libtiff/tif_ojpeg.c,v
|
|
retrieving revision 1.65
|
|
retrieving revision 1.66
|
|
diff -u -r1.65 -r1.66
|
|
--- libtiff/libtiff/tif_ojpeg.c 4 Sep 2016 21:32:56 -0000 1.65
|
|
+++ libtiff/libtiff/tif_ojpeg.c 3 Dec 2016 11:15:18 -0000 1.66
|
|
@@ -1,4 +1,4 @@
|
|
-/* $Id: tif_ojpeg.c,v 1.65 2016-09-04 21:32:56 erouault Exp $ */
|
|
+/* $Id: tif_ojpeg.c,v 1.66 2016-12-03 11:15:18 erouault Exp $ */
|
|
|
|
/* WARNING: The type of JPEG encapsulation defined by the TIFF Version 6.0
|
|
specification is now totally obsolete and deprecated for new applications and
|
|
@@ -244,6 +244,7 @@
|
|
|
|
typedef struct {
|
|
TIFF* tif;
|
|
+ int decoder_ok;
|
|
#ifndef LIBJPEG_ENCAP_EXTERNAL
|
|
JMP_BUF exit_jmpbuf;
|
|
#endif
|
|
@@ -722,6 +723,7 @@
|
|
}
|
|
sp->write_curstrile++;
|
|
}
|
|
+ sp->decoder_ok = 1;
|
|
return(1);
|
|
}
|
|
|
|
@@ -784,8 +786,14 @@
|
|
static int
|
|
OJPEGDecode(TIFF* tif, uint8* buf, tmsize_t cc, uint16 s)
|
|
{
|
|
+ static const char module[]="OJPEGDecode";
|
|
OJPEGState* sp=(OJPEGState*)tif->tif_data;
|
|
(void)s;
|
|
+ if( !sp->decoder_ok )
|
|
+ {
|
|
+ TIFFErrorExt(tif->tif_clientdata,module,"Cannot decode: decoder not correctly initialized");
|
|
+ return 0;
|
|
+ }
|
|
if (sp->libjpeg_jpeg_query_style==0)
|
|
{
|
|
if (OJPEGDecodeRaw(tif,buf,cc)==0)
|