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author Patrick J Volkerding <volkerdi@slackware.com>2018-05-28 19:12:29 +0000
committer Eric Hameleers <alien@slackware.com>2018-05-31 23:39:35 +0200
commit646a5c1cbfd95873950a87b5f75d52073a967023 (patch)
treeb8b8d2ab3b0d432ea69ad1a64d1c789649d65020 /source/l/libwmf/libwmf-0.2.8.4-CVE-2007-3472.patch
parentd31c50870d0bee042ce660e445c9294a59a3a65b (diff)
downloadcurrent-646a5c1cbfd95873950a87b5f75d52073a967023.tar.gz
current-646a5c1cbfd95873950a87b5f75d52073a967023.tar.xz
Mon May 28 19:12:29 UTC 201820180528191229
a/pkgtools-15.0-noarch-13.txz: Rebuilt. installpkg: default line length for --terselength is the number of columns. removepkg: added --terse mode. upgradepkg: default line length for --terselength is the number of columns. upgradepkg: accept -option in addition to --option. ap/vim-8.1.0026-x86_64-1.txz: Upgraded. d/bison-3.0.5-x86_64-1.txz: Upgraded. e/emacs-26.1-x86_64-1.txz: Upgraded. kde/kopete-4.14.3-x86_64-8.txz: Rebuilt. Recompiled against libidn-1.35. n/conntrack-tools-1.4.5-x86_64-1.txz: Upgraded. n/libnetfilter_conntrack-1.0.7-x86_64-1.txz: Upgraded. n/libnftnl-1.1.0-x86_64-1.txz: Upgraded. n/links-2.16-x86_64-2.txz: Rebuilt. Rebuilt to enable X driver for -g mode. n/lynx-2.8.9dev.19-x86_64-1.txz: Upgraded. n/nftables-0.8.5-x86_64-1.txz: Upgraded. n/p11-kit-0.23.11-x86_64-1.txz: Upgraded. n/ulogd-2.0.7-x86_64-1.txz: Upgraded. n/whois-5.3.1-x86_64-1.txz: Upgraded. xap/network-manager-applet-1.8.12-x86_64-1.txz: Upgraded. xap/vim-gvim-8.1.0026-x86_64-1.txz: Upgraded.
Diffstat (limited to 'source/l/libwmf/libwmf-0.2.8.4-CVE-2007-3472.patch')
-rw-r--r--source/l/libwmf/libwmf-0.2.8.4-CVE-2007-3472.patch61
1 files changed, 61 insertions, 0 deletions
diff --git a/source/l/libwmf/libwmf-0.2.8.4-CVE-2007-3472.patch b/source/l/libwmf/libwmf-0.2.8.4-CVE-2007-3472.patch
new file mode 100644
index 000000000..ac1ead5a8
--- /dev/null
+++ b/source/l/libwmf/libwmf-0.2.8.4-CVE-2007-3472.patch
@@ -0,0 +1,61 @@
+--- libwmf-0.2.8.4/src/extra/gd/gd.c
++++ libwmf-0.2.8.4/src/extra/gd/gd.c
+@@ -106,6 +106,18 @@
+ gdImagePtr im;
+ unsigned long cpa_size;
+
++ if (overflow2(sx, sy)) {
++ return NULL;
++ }
++
++ if (overflow2(sizeof (int *), sy)) {
++ return NULL;
++ }
++
++ if (overflow2(sizeof(int), sx)) {
++ return NULL;
++ }
++
+ im = (gdImage *) gdMalloc (sizeof (gdImage));
+ if (im == 0) return 0;
+ memset (im, 0, sizeof (gdImage));
+--- libwmf-0.2.8.4/src/extra/gd/gdhelpers.c 2010-12-06 11:47:31.000000000 +0000
++++ libwmf-0.2.8.4/src/extra/gd/gdhelpers.c 2010-12-06 11:48:04.000000000 +0000
+@@ -2,6 +2,7 @@
+ #include "gdhelpers.h"
+ #include <stdlib.h>
+ #include <string.h>
++#include <limits.h>
+
+ /* TBB: gd_strtok_r is not portable; provide an implementation */
+
+@@ -94,3 +95,18 @@
+ {
+ free (ptr);
+ }
++
++int overflow2(int a, int b)
++{
++ if(a < 0 || b < 0) {
++ fprintf(stderr, "gd warning: one parameter to a memory allocation multiplication is negative, failing operation gracefully\n");
++ return 1;
++ }
++ if(b == 0)
++ return 0;
++ if(a > INT_MAX / b) {
++ fprintf(stderr, "gd warning: product of memory allocation multiplication would exceed INT_MAX, failing operation gracefully\n");
++ return 1;
++ }
++ return 0;
++}
+--- libwmf-0.2.8.4/src/extra/gd/gdhelpers.h 2010-12-06 11:47:17.000000000 +0000
++++ libwmf-0.2.8.4/src/extra/gd/gdhelpers.h 2010-12-06 11:48:36.000000000 +0000
+@@ -15,6 +15,8 @@
+ void *gdMalloc(size_t size);
+ void *gdRealloc(void *ptr, size_t size);
+
++int overflow2(int a, int b);
++
+ #pragma GCC visibility pop
+
+ #endif /* GDHELPERS_H */