summaryrefslogtreecommitdiffstats
path: root/source/l/libwmf/libwmf-0.2.8.4-CVE-2007-3472.patch
diff options
context:
space:
mode:
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, 0 insertions, 61 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
deleted file mode 100644
index ac1ead5a8..000000000
--- a/source/l/libwmf/libwmf-0.2.8.4-CVE-2007-3472.patch
+++ /dev/null
@@ -1,61 +0,0 @@
---- 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 */