gnu: libwmf: Add fixes for several security flaws.
* gnu/packages/patches/libwmf-CAN-2004-0941.patch, gnu/packages/patches/libwmf-CVE-2007-0455.patch, gnu/packages/patches/libwmf-CVE-2007-2756.patch, gnu/packages/patches/libwmf-CVE-2007-3472.patch, gnu/packages/patches/libwmf-CVE-2007-3473.patch, gnu/packages/patches/libwmf-CVE-2007-3477.patch, gnu/packages/patches/libwmf-CVE-2009-3546.patch: New files. * gnu/packages/patches/libwmf-CVE-2015-0848+4588+4695+4696.patch: Delete file. Replace with ... * gnu/packages/patches/libwmf-CVE-2015-0848+CVE-2015-4588.patch, gnu/packages/patches/libwmf-CVE-2015-4695.patch, gnu/packages/patches/libwmf-CVE-2015-4696.patch: ... these new files. * gnu-system.am (dist_patch_DATA): Adjust accordingly. * gnu/packages/image.scm (libwmf)[source]: Adjust set of patches.
This commit is contained in:
parent
48e4a9f32f
commit
f956d661ad
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@ -536,9 +536,18 @@ dist_patch_DATA = \
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gnu/packages/patches/libtheora-config-guess.patch \
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gnu/packages/patches/libtool-skip-tests2.patch \
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gnu/packages/patches/libssh-CVE-2014-0017.patch \
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gnu/packages/patches/libwmf-CAN-2004-0941.patch \
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gnu/packages/patches/libwmf-CVE-2006-3376.patch \
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gnu/packages/patches/libwmf-CVE-2007-0455.patch \
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gnu/packages/patches/libwmf-CVE-2007-2756.patch \
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gnu/packages/patches/libwmf-CVE-2007-3472.patch \
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gnu/packages/patches/libwmf-CVE-2007-3473.patch \
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gnu/packages/patches/libwmf-CVE-2007-3477.patch \
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gnu/packages/patches/libwmf-CVE-2009-1364.patch \
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gnu/packages/patches/libwmf-CVE-2015-0848+4588+4695+4696.patch \
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gnu/packages/patches/libwmf-CVE-2009-3546.patch \
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gnu/packages/patches/libwmf-CVE-2015-0848+CVE-2015-4588.patch \
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gnu/packages/patches/libwmf-CVE-2015-4695.patch \
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gnu/packages/patches/libwmf-CVE-2015-4696.patch \
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gnu/packages/patches/lirc-localstatedir.patch \
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gnu/packages/patches/libpthread-glibc-preparation.patch \
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gnu/packages/patches/lm-sensors-hwmon-attrs.patch \
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@ -148,9 +148,18 @@ collection of tools for doing simple manipulations of TIFF images.")
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(sha256
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(base32 "1y3wba4q8pl7kr51212jwrsz1x6nslsx1gsjml1x0i8549lmqd2v"))
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(patches
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(map search-patch '("libwmf-CVE-2006-3376.patch"
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(map search-patch '("libwmf-CAN-2004-0941.patch"
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"libwmf-CVE-2006-3376.patch"
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"libwmf-CVE-2007-0455.patch"
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"libwmf-CVE-2007-2756.patch"
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"libwmf-CVE-2007-3472.patch"
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"libwmf-CVE-2007-3473.patch"
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"libwmf-CVE-2007-3477.patch"
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"libwmf-CVE-2009-1364.patch"
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"libwmf-CVE-2015-0848+4588+4695+4696.patch")))))
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"libwmf-CVE-2009-3546.patch"
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"libwmf-CVE-2015-0848+CVE-2015-4588.patch"
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"libwmf-CVE-2015-4695.patch"
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"libwmf-CVE-2015-4696.patch")))))
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(build-system gnu-build-system)
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(inputs
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@ -0,0 +1,21 @@
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Copied from Fedora.
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http://pkgs.fedoraproject.org/cgit/libwmf.git/tree/libwmf-0.2.8.4-CAN-2004-0941.patch
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--- libwmf-0.2.8.4/src/extra/gd/gd_png.c 2004-11-11 14:02:37.407589824 -0500
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+++ libwmf-0.2.8.4/src/extra/gd/gd_png.c 2004-11-11 14:04:29.672522960 -0500
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@@ -188,6 +188,14 @@
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png_get_IHDR (png_ptr, info_ptr, &width, &height, &bit_depth, &color_type,
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&interlace_type, NULL, NULL);
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+ if (overflow2(sizeof (int), width))
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+ {
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+ return NULL;
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+ }
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+ if (overflow2(sizeof (int) * width, height))
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+ {
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+ return NULL;
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+ }
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if ((color_type == PNG_COLOR_TYPE_RGB) ||
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(color_type == PNG_COLOR_TYPE_RGB_ALPHA))
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{
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@ -0,0 +1,15 @@
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Copied from Fedora.
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http://pkgs.fedoraproject.org/cgit/libwmf.git/tree/libwmf-0.2.8.4-CVE-2007-0455.patch
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--- libwmf-0.2.8.4/src/extra/gd/gdft.c 2010-12-06 11:18:26.000000000 +0000
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+++ libwmf-0.2.8.4/src/extra/gd/gdft.c 2010-12-06 11:21:09.000000000 +0000
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@@ -811,7 +811,7 @@
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{
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ch = c & 0xFF; /* don't extend sign */
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}
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- next++;
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+ if (*next) next++;
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}
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else
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{
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@ -0,0 +1,20 @@
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Copied from Fedora.
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http://pkgs.fedoraproject.org/cgit/libwmf.git/tree/libwmf-0.2.8.4-CVE-2007-2756.patch
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--- libwmf-0.2.8.4/src/extra/gd/gd_png.c 1 Apr 2007 20:41:01 -0000 1.21.2.1
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+++ libwmf-0.2.8.4/src/extra/gd/gd_png.c 16 May 2007 19:06:11 -0000
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@@ -78,8 +78,11 @@
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gdPngReadData (png_structp png_ptr,
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png_bytep data, png_size_t length)
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{
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- gdGetBuf (data, length, (gdIOCtx *)
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- png_get_io_ptr (png_ptr));
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+ int check;
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+ check = gdGetBuf (data, length, (gdIOCtx *) png_get_io_ptr (png_ptr));
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+ if (check != length) {
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+ png_error(png_ptr, "Read Error: truncated data");
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+ }
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}
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static void
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@ -0,0 +1,63 @@
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Based on a patch from Fedora.
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http://pkgs.fedoraproject.org/cgit/libwmf.git/tree/libwmf-0.2.8.4-CVE-2007-3472.patch
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--- libwmf-0.2.8.4/src/extra/gd/gd.c
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+++ libwmf-0.2.8.4/src/extra/gd/gd.c
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@@ -106,6 +106,18 @@
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gdImagePtr im;
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unsigned long cpa_size;
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+ if (overflow2(sx, sy)) {
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+ return NULL;
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+ }
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+
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+ if (overflow2(sizeof (int *), sy)) {
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+ return NULL;
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+ }
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+
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+ if (overflow2(sizeof(int), sx)) {
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+ return NULL;
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+ }
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+
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im = (gdImage *) gdMalloc (sizeof (gdImage));
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if (im == 0) return 0;
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memset (im, 0, sizeof (gdImage));
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--- libwmf-0.2.8.4/src/extra/gd/gdhelpers.c 2010-12-06 11:47:31.000000000 +0000
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+++ libwmf-0.2.8.4/src/extra/gd/gdhelpers.c 2010-12-06 11:48:04.000000000 +0000
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@@ -2,6 +2,7 @@
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#include "gdhelpers.h"
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#include <stdlib.h>
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#include <string.h>
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+#include <limits.h>
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/* TBB: gd_strtok_r is not portable; provide an implementation */
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@@ -94,3 +95,18 @@
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{
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free (ptr);
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}
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+
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+int overflow2(int a, int b)
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+{
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+ if(a < 0 || b < 0) {
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+ fprintf(stderr, "gd warning: one parameter to a memory allocation multiplication is negative, failing operation gracefully\n");
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+ return 1;
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+ }
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+ if(b == 0)
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+ return 0;
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+ if(a > INT_MAX / b) {
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+ fprintf(stderr, "gd warning: product of memory allocation multiplication would exceed INT_MAX, failing operation gracefully\n");
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+ return 1;
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+ }
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+ return 0;
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+}
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--- libwmf-0.2.8.4/src/extra/gd/gdhelpers.h 2010-12-06 11:47:17.000000000 +0000
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+++ libwmf-0.2.8.4/src/extra/gd/gdhelpers.h 2010-12-06 11:48:36.000000000 +0000
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@@ -15,4 +15,6 @@
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void *gdMalloc(size_t size);
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void *gdRealloc(void *ptr, size_t size);
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+int overflow2(int a, int b);
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+
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#endif /* GDHELPERS_H */
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@ -0,0 +1,17 @@
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Copied from Fedora.
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http://pkgs.fedoraproject.org/cgit/libwmf.git/tree/libwmf-0.2.8.4-CVE-2007-3473.patch
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--- libwmf-0.2.8.4/src/extra/gd/gd.c
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+++ libwmf-0.2.8.4/src/extra/gd/gd.c
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@@ -2483,6 +2483,10 @@ BGD_DECLARE(gdImagePtr) gdImageCreateFromXbm (FILE * fd)
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}
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bytes = (w * h / 8) + 1;
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im = gdImageCreate (w, h);
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+ if (!im) {
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+ return 0;
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+ }
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+
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gdImageColorAllocate (im, 255, 255, 255);
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gdImageColorAllocate (im, 0, 0, 0);
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x = 0;
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@ -0,0 +1,42 @@
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Copied from Fedora.
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http://pkgs.fedoraproject.org/cgit/libwmf.git/tree/libwmf-0.2.8.4-CVE-2007-3477.patch
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--- libwmf-0.2.8.4/src/extra/gd/gd.c
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+++ libwmf-0.2.8.4/src/extra/gd/gd.c
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@@ -1335,10 +1335,31 @@
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int w2, h2;
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w2 = w / 2;
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h2 = h / 2;
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- while (e < s)
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- {
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- e += 360;
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- }
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+
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+ if ((s % 360) == (e % 360)) {
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+ s = 0; e = 360;
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+ } else {
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+ if (s > 360) {
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+ s = s % 360;
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+ }
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+
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+ if (e > 360) {
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+ e = e % 360;
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+ }
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+
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+ while (s < 0) {
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+ s += 360;
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+ }
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+
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+ while (e < s) {
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+ e += 360;
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+ }
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+
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+ if (s == e) {
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+ s = 0; e = 360;
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+ }
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+ }
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+
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for (i = s; (i <= e); i++)
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{
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int x, y;
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@ -0,0 +1,17 @@
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Copied from Fedora.
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http://pkgs.fedoraproject.org/cgit/libwmf.git/tree/libwmf-0.2.8.4-CVE-2009-3546.patch
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--- libwmf-0.2.8.4/src/extra/gd/gd_gd.c 2010-12-06 14:56:06.000000000 +0000
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+++ libwmf-0.2.8.4/src/extra/gd/gd_gd.c 2010-12-06 14:57:04.000000000 +0000
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@@ -42,6 +42,10 @@
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{
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goto fail1;
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}
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+ if (&im->colorsTotal > gdMaxColors)
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+ {
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+ goto fail1;
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+ }
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}
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/* Int to accommodate truecolor single-color transparency */
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if (!gdGetInt (&im->transparent, in))
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@ -1,189 +0,0 @@
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Fix CVE-2015-0848, CVE-2015-4588, CVE-2015-4695, and CVE-2015-4696.
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Copied from Debian.
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--- libwmf-0.2.8.4.orig/src/player/meta.h
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+++ libwmf-0.2.8.4/src/player/meta.h
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@@ -1565,7 +1565,7 @@ static int meta_rgn_create (wmfAPI* API,
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objects = P->objects;
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i = 0;
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- while (objects[i].type && (i < NUM_OBJECTS (API))) i++;
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+ while ((i < NUM_OBJECTS (API)) && objects[i].type) i++;
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if (i == NUM_OBJECTS (API))
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{ WMF_ERROR (API,"Object out of range!");
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@@ -2142,7 +2142,7 @@ static int meta_dib_brush (wmfAPI* API,w
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objects = P->objects;
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i = 0;
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- while (objects[i].type && (i < NUM_OBJECTS (API))) i++;
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+ while ((i < NUM_OBJECTS (API)) && objects[i].type) i++;
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if (i == NUM_OBJECTS (API))
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{ WMF_ERROR (API,"Object out of range!");
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@@ -2593,9 +2593,10 @@ static int meta_dc_restore (wmfAPI* API,
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polyrect.BR = 0;
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polyrect.count = 0;
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+
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+ if (FR->region_clip) FR->region_clip (API,&polyrect);
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}
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- if (FR->region_clip) FR->region_clip (API,&polyrect);
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return (changed);
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}
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@@ -3067,7 +3068,7 @@ static int meta_pen_create (wmfAPI* API,
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objects = P->objects;
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i = 0;
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- while (objects[i].type && (i < NUM_OBJECTS (API))) i++;
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+ while ((i < NUM_OBJECTS (API)) && objects[i].type) i++;
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if (i == NUM_OBJECTS (API))
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{ WMF_ERROR (API,"Object out of range!");
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@@ -3181,7 +3182,7 @@ static int meta_brush_create (wmfAPI* AP
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objects = P->objects;
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i = 0;
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- while (objects[i].type && (i < NUM_OBJECTS (API))) i++;
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+ while ((i < NUM_OBJECTS (API)) && objects[i].type) i++;
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if (i == NUM_OBJECTS (API))
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{ WMF_ERROR (API,"Object out of range!");
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@@ -3288,7 +3289,7 @@ static int meta_font_create (wmfAPI* API
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objects = P->objects;
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i = 0;
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- while (objects[i].type && (i < NUM_OBJECTS (API))) i++;
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+ while ((i < NUM_OBJECTS (API)) && objects[i].type) i++;
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if (i == NUM_OBJECTS (API))
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{ WMF_ERROR (API,"Object out of range!");
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@@ -3396,7 +3397,7 @@ static int meta_palette_create (wmfAPI*
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objects = P->objects;
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i = 0;
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- while (objects[i].type && (i < NUM_OBJECTS (API))) i++;
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+ while ((i < NUM_OBJECTS (API)) && objects[i].type) i++;
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if (i == NUM_OBJECTS (API))
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{ WMF_ERROR (API,"Object out of range!");
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--- libwmf-0.2.8.4.orig/src/ipa/ipa.h
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+++ libwmf-0.2.8.4/src/ipa/ipa.h
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@@ -48,7 +48,7 @@ static int ReadBlobByte (BMPS
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static unsigned short ReadBlobLSBShort (BMPSource*);
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static unsigned long ReadBlobLSBLong (BMPSource*);
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static long TellBlob (BMPSource*);
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-static void DecodeImage (wmfAPI*,wmfBMP*,BMPSource*,unsigned int,unsigned char*);
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+static int DecodeImage (wmfAPI*,wmfBMP*,BMPSource*,unsigned int,unsigned char*);
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static void ReadBMPImage (wmfAPI*,wmfBMP*,BMPSource*);
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static int ExtractColor (wmfAPI*,wmfBMP*,wmfRGB*,unsigned int,unsigned int);
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static void SetColor (wmfAPI*,wmfBMP*,wmfRGB*,unsigned char,unsigned int,unsigned int);
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--- libwmf-0.2.8.4.orig/src/ipa/ipa/bmp.h
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+++ libwmf-0.2.8.4/src/ipa/ipa/bmp.h
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@@ -859,7 +859,7 @@ static long TellBlob (BMPSource* src)
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%
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%
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*/
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-static void DecodeImage (wmfAPI* API,wmfBMP* bmp,BMPSource* src,unsigned int compression,unsigned char* pixels)
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+static int DecodeImage (wmfAPI* API,wmfBMP* bmp,BMPSource* src,unsigned int compression,unsigned char* pixels)
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{ int byte;
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int count;
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int i;
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@@ -870,12 +870,14 @@ static void DecodeImage (wmfAPI* API,wmf
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U32 u;
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unsigned char* q;
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+ unsigned char* end;
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for (u = 0; u < ((U32) bmp->width * (U32) bmp->height); u++) pixels[u] = 0;
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byte = 0;
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x = 0;
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q = pixels;
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+ end = pixels + bmp->width * bmp->height;
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for (y = 0; y < bmp->height; )
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{ count = ReadBlobByte (src);
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@@ -884,7 +886,10 @@ static void DecodeImage (wmfAPI* API,wmf
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{ /* Encoded mode. */
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byte = ReadBlobByte (src);
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for (i = 0; i < count; i++)
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- { if (compression == 1)
|
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+ {
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+ if (q == end)
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+ return 0;
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+ if (compression == 1)
|
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{ (*(q++)) = (unsigned char) byte;
|
||||
}
|
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else
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@@ -896,13 +901,15 @@ static void DecodeImage (wmfAPI* API,wmf
|
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else
|
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{ /* Escape mode. */
|
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count = ReadBlobByte (src);
|
||||
- if (count == 0x01) return;
|
||||
+ if (count == 0x01) return 1;
|
||||
switch (count)
|
||||
{
|
||||
case 0x00:
|
||||
{ /* End of line. */
|
||||
x = 0;
|
||||
y++;
|
||||
+ if (y >= bmp->height)
|
||||
+ return 0;
|
||||
q = pixels + y * bmp->width;
|
||||
break;
|
||||
}
|
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@@ -910,13 +917,20 @@ static void DecodeImage (wmfAPI* API,wmf
|
||||
{ /* Delta mode. */
|
||||
x += ReadBlobByte (src);
|
||||
y += ReadBlobByte (src);
|
||||
+ if (y >= bmp->height)
|
||||
+ return 0;
|
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+ if (x >= bmp->width)
|
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+ return 0;
|
||||
q = pixels + y * bmp->width + x;
|
||||
break;
|
||||
}
|
||||
default:
|
||||
{ /* Absolute mode. */
|
||||
for (i = 0; i < count; i++)
|
||||
- { if (compression == 1)
|
||||
+ {
|
||||
+ if (q == end)
|
||||
+ return 0;
|
||||
+ if (compression == 1)
|
||||
{ (*(q++)) = ReadBlobByte (src);
|
||||
}
|
||||
else
|
||||
@@ -943,7 +957,7 @@ static void DecodeImage (wmfAPI* API,wmf
|
||||
byte = ReadBlobByte (src); /* end of line */
|
||||
byte = ReadBlobByte (src);
|
||||
|
||||
- return;
|
||||
+ return 1;
|
||||
}
|
||||
|
||||
/*
|
||||
@@ -1143,8 +1157,18 @@ static void ReadBMPImage (wmfAPI* API,wm
|
||||
}
|
||||
}
|
||||
else
|
||||
- { /* Convert run-length encoded raster pixels. */
|
||||
- DecodeImage (API,bmp,src,(unsigned int) bmp_info.compression,data->image);
|
||||
+ {
|
||||
+ if (bmp_info.bits_per_pixel == 8) /* Convert run-length encoded raster pixels. */
|
||||
+ {
|
||||
+ if (!DecodeImage (API,bmp,src,(unsigned int) bmp_info.compression,data->image))
|
||||
+ { WMF_ERROR (API,"corrupt bmp");
|
||||
+ API->err = wmf_E_BadFormat;
|
||||
+ }
|
||||
+ }
|
||||
+ else
|
||||
+ { WMF_ERROR (API,"Unexpected pixel depth");
|
||||
+ API->err = wmf_E_BadFormat;
|
||||
+ }
|
||||
}
|
||||
|
||||
if (ERR (API))
|
|
@ -0,0 +1,122 @@
|
|||
Copied from Fedora.
|
||||
|
||||
http://pkgs.fedoraproject.org/cgit/libwmf.git/tree/libwmf-0.2.8.4-CVE-2015-0848+CVE-2015-4588.patch
|
||||
|
||||
--- libwmf-0.2.8.4/src/ipa/ipa/bmp.h 2015-06-08 14:46:24.591876404 +0100
|
||||
+++ libwmf-0.2.8.4/src/ipa/ipa/bmp.h 2015-06-08 14:46:35.345993247 +0100
|
||||
@@ -859,7 +859,7 @@
|
||||
%
|
||||
%
|
||||
*/
|
||||
-static void DecodeImage (wmfAPI* API,wmfBMP* bmp,BMPSource* src,unsigned int compression,unsigned char* pixels)
|
||||
+static int DecodeImage (wmfAPI* API,wmfBMP* bmp,BMPSource* src,unsigned int compression,unsigned char* pixels)
|
||||
{ int byte;
|
||||
int count;
|
||||
int i;
|
||||
@@ -870,12 +870,14 @@
|
||||
U32 u;
|
||||
|
||||
unsigned char* q;
|
||||
+ unsigned char* end;
|
||||
|
||||
for (u = 0; u < ((U32) bmp->width * (U32) bmp->height); u++) pixels[u] = 0;
|
||||
|
||||
byte = 0;
|
||||
x = 0;
|
||||
q = pixels;
|
||||
+ end = pixels + bmp->width * bmp->height;
|
||||
|
||||
for (y = 0; y < bmp->height; )
|
||||
{ count = ReadBlobByte (src);
|
||||
@@ -884,7 +886,10 @@
|
||||
{ /* Encoded mode. */
|
||||
byte = ReadBlobByte (src);
|
||||
for (i = 0; i < count; i++)
|
||||
- { if (compression == 1)
|
||||
+ {
|
||||
+ if (q == end)
|
||||
+ return 0;
|
||||
+ if (compression == 1)
|
||||
{ (*(q++)) = (unsigned char) byte;
|
||||
}
|
||||
else
|
||||
@@ -896,13 +901,15 @@
|
||||
else
|
||||
{ /* Escape mode. */
|
||||
count = ReadBlobByte (src);
|
||||
- if (count == 0x01) return;
|
||||
+ if (count == 0x01) return 1;
|
||||
switch (count)
|
||||
{
|
||||
case 0x00:
|
||||
{ /* End of line. */
|
||||
x = 0;
|
||||
y++;
|
||||
+ if (y >= bmp->height)
|
||||
+ return 0;
|
||||
q = pixels + y * bmp->width;
|
||||
break;
|
||||
}
|
||||
@@ -910,13 +917,20 @@
|
||||
{ /* Delta mode. */
|
||||
x += ReadBlobByte (src);
|
||||
y += ReadBlobByte (src);
|
||||
+ if (y >= bmp->height)
|
||||
+ return 0;
|
||||
+ if (x >= bmp->width)
|
||||
+ return 0;
|
||||
q = pixels + y * bmp->width + x;
|
||||
break;
|
||||
}
|
||||
default:
|
||||
{ /* Absolute mode. */
|
||||
for (i = 0; i < count; i++)
|
||||
- { if (compression == 1)
|
||||
+ {
|
||||
+ if (q == end)
|
||||
+ return 0;
|
||||
+ if (compression == 1)
|
||||
{ (*(q++)) = ReadBlobByte (src);
|
||||
}
|
||||
else
|
||||
@@ -943,7 +957,7 @@
|
||||
byte = ReadBlobByte (src); /* end of line */
|
||||
byte = ReadBlobByte (src);
|
||||
|
||||
- return;
|
||||
+ return 1;
|
||||
}
|
||||
|
||||
/*
|
||||
@@ -1143,8 +1157,18 @@
|
||||
}
|
||||
}
|
||||
else
|
||||
- { /* Convert run-length encoded raster pixels. */
|
||||
- DecodeImage (API,bmp,src,(unsigned int) bmp_info.compression,data->image);
|
||||
+ {
|
||||
+ if (bmp_info.bits_per_pixel == 8) /* Convert run-length encoded raster pixels. */
|
||||
+ {
|
||||
+ if (!DecodeImage (API,bmp,src,(unsigned int) bmp_info.compression,data->image))
|
||||
+ { WMF_ERROR (API,"corrupt bmp");
|
||||
+ API->err = wmf_E_BadFormat;
|
||||
+ }
|
||||
+ }
|
||||
+ else
|
||||
+ { WMF_ERROR (API,"Unexpected pixel depth");
|
||||
+ API->err = wmf_E_BadFormat;
|
||||
+ }
|
||||
}
|
||||
|
||||
if (ERR (API))
|
||||
--- libwmf-0.2.8.4/src/ipa/ipa.h 2015-06-08 14:46:24.590876393 +0100
|
||||
+++ libwmf-0.2.8.4/src/ipa/ipa.h 2015-06-08 14:46:35.345993247 +0100
|
||||
@@ -48,7 +48,7 @@
|
||||
static unsigned short ReadBlobLSBShort (BMPSource*);
|
||||
static unsigned long ReadBlobLSBLong (BMPSource*);
|
||||
static long TellBlob (BMPSource*);
|
||||
-static void DecodeImage (wmfAPI*,wmfBMP*,BMPSource*,unsigned int,unsigned char*);
|
||||
+static int DecodeImage (wmfAPI*,wmfBMP*,BMPSource*,unsigned int,unsigned char*);
|
||||
static void ReadBMPImage (wmfAPI*,wmfBMP*,BMPSource*);
|
||||
static int ExtractColor (wmfAPI*,wmfBMP*,wmfRGB*,unsigned int,unsigned int);
|
||||
static void SetColor (wmfAPI*,wmfBMP*,wmfRGB*,unsigned char,unsigned int,unsigned int);
|
|
@ -0,0 +1,60 @@
|
|||
Copied from Fedora.
|
||||
|
||||
http://pkgs.fedoraproject.org/cgit/libwmf.git/tree/libwmf-0.2.8.4-CVE-2015-4695.patch
|
||||
|
||||
--- libwmf-0.2.8.4/src/player/meta.h
|
||||
+++ libwmf-0.2.8.4/src/player/meta.h
|
||||
@@ -1565,7 +1565,7 @@ static int meta_rgn_create (wmfAPI* API,
|
||||
objects = P->objects;
|
||||
|
||||
i = 0;
|
||||
- while (objects[i].type && (i < NUM_OBJECTS (API))) i++;
|
||||
+ while ((i < NUM_OBJECTS (API)) && objects[i].type) i++;
|
||||
|
||||
if (i == NUM_OBJECTS (API))
|
||||
{ WMF_ERROR (API,"Object out of range!");
|
||||
@@ -2142,7 +2142,7 @@ static int meta_dib_brush (wmfAPI* API,w
|
||||
objects = P->objects;
|
||||
|
||||
i = 0;
|
||||
- while (objects[i].type && (i < NUM_OBJECTS (API))) i++;
|
||||
+ while ((i < NUM_OBJECTS (API)) && objects[i].type) i++;
|
||||
|
||||
if (i == NUM_OBJECTS (API))
|
||||
{ WMF_ERROR (API,"Object out of range!");
|
||||
@@ -3067,7 +3067,7 @@ static int meta_pen_create (wmfAPI* API,
|
||||
objects = P->objects;
|
||||
|
||||
i = 0;
|
||||
- while (objects[i].type && (i < NUM_OBJECTS (API))) i++;
|
||||
+ while ((i < NUM_OBJECTS (API)) && objects[i].type) i++;
|
||||
|
||||
if (i == NUM_OBJECTS (API))
|
||||
{ WMF_ERROR (API,"Object out of range!");
|
||||
@@ -3181,7 +3181,7 @@ static int meta_brush_create (wmfAPI* AP
|
||||
objects = P->objects;
|
||||
|
||||
i = 0;
|
||||
- while (objects[i].type && (i < NUM_OBJECTS (API))) i++;
|
||||
+ while ((i < NUM_OBJECTS (API)) && objects[i].type) i++;
|
||||
|
||||
if (i == NUM_OBJECTS (API))
|
||||
{ WMF_ERROR (API,"Object out of range!");
|
||||
@@ -3288,7 +3288,7 @@ static int meta_font_create (wmfAPI* API
|
||||
objects = P->objects;
|
||||
|
||||
i = 0;
|
||||
- while (objects[i].type && (i < NUM_OBJECTS (API))) i++;
|
||||
+ while ((i < NUM_OBJECTS (API)) && objects[i].type) i++;
|
||||
|
||||
if (i == NUM_OBJECTS (API))
|
||||
{ WMF_ERROR (API,"Object out of range!");
|
||||
@@ -3396,7 +3396,7 @@ static int meta_palette_create (wmfAPI*
|
||||
objects = P->objects;
|
||||
|
||||
i = 0;
|
||||
- while (objects[i].type && (i < NUM_OBJECTS (API))) i++;
|
||||
+ while ((i < NUM_OBJECTS (API)) && objects[i].type) i++;
|
||||
|
||||
if (i == NUM_OBJECTS (API))
|
||||
{ WMF_ERROR (API,"Object out of range!");
|
|
@ -0,0 +1,27 @@
|
|||
Copied from Fedora.
|
||||
|
||||
http://pkgs.fedoraproject.org/cgit/libwmf.git/tree/libwmf-0.2.8.4-CVE-2015-4696.patch
|
||||
|
||||
--- libwmf-0.2.8.4/src/player/meta.h
|
||||
+++ libwmf-0.2.8.4/src/player/meta.h
|
||||
@@ -2585,6 +2585,8 @@
|
||||
polyrect.BR[i] = clip->rects[i].BR;
|
||||
}
|
||||
|
||||
+ if (FR->region_clip) FR->region_clip (API,&polyrect);
|
||||
+
|
||||
wmf_free (API,polyrect.TL);
|
||||
wmf_free (API,polyrect.BR);
|
||||
}
|
||||
@@ -2593,9 +2595,10 @@
|
||||
polyrect.BR = 0;
|
||||
|
||||
polyrect.count = 0;
|
||||
+
|
||||
+ if (FR->region_clip) FR->region_clip (API,&polyrect);
|
||||
}
|
||||
|
||||
- if (FR->region_clip) FR->region_clip (API,&polyrect);
|
||||
|
||||
return (changed);
|
||||
}
|
Loading…
Reference in New Issue