guix/gnu/packages/patches/file-CVE-2014-3587.patch
Mark H Weaver 48abd13021 gnu: file: Update to 5.19; add fix for CVE-2014-3587.
* gnu/packages/patches/file-CVE-2014-3587.patch: New file.
* gnu-system.am (dist_patch_DATA): Add it.
* gnu/packages/file.scm (file): Update to 5.19.  Add patch.
2014-08-26 12:05:37 -04:00

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Diff

Fixes CVE-2014-3587. Copied from upstream commit
0641e56be1af003aa02c7c6b0184466540637233.
--- file-5.19/src/cdf.c.orig 2014-06-09 09:04:37.000000000 -0400
+++ file-5.19/src/cdf.c 2014-08-26 11:55:23.887118898 -0400
@@ -824,6 +824,10 @@
q = (const uint8_t *)(const void *)
((const char *)(const void *)p + ofs
- 2 * sizeof(uint32_t));
+ if (q < p) {
+ DPRINTF(("Wrapped around %p < %p\n", q, p));
+ goto out;
+ }
if (q > e) {
DPRINTF(("Ran of the end %p > %p\n", q, e));
goto out;