diff options
| author |   Patrick J Volkerding <volkerdi@slackware.com> | 2018-05-25 23:29:36 +0000 |
|---|---|---|
| committer |   Eric Hameleers <alien@slackware.com> | 2018-05-31 15:18:32 -0700 |
| commit | 8ff4f2f51a6cf07fc33742ce3bee81328896e49b (patch) | |
| tree | 4a166b8389404be98a6c098babaa444e2dec8f48 /patches/source/libwmf/libwmf-0.2.8.4-CVE-2007-3472.patch | |
| parent | 76fc4757ac91ac7947a01fb7b53dddf9a78a01d1 (diff) | |
| download | current-14.1.tar.gz current-14.1.tar.xz | |
Fri May 25 23:29:36 UTC 201814.1
patches/packages/glibc-zoneinfo-2018e-noarch-2_slack14.1.txz: Rebuilt.
Handle removal of US/Pacific-New timezone. If we see that the machine is
using this, it will be automatically switched to US/Pacific.
Diffstat (limited to 'patches/source/libwmf/libwmf-0.2.8.4-CVE-2007-3472.patch')
| -rw-r--r-- | patches/source/libwmf/libwmf-0.2.8.4-CVE-2007-3472.patch | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/patches/source/libwmf/libwmf-0.2.8.4-CVE-2007-3472.patch b/patches/source/libwmf/libwmf-0.2.8.4-CVE-2007-3472.patch new file mode 100644 index 000000000..ac1ead5a8 --- /dev/null +++ b/patches/source/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 */ |