diff options
Diffstat (limited to 'meta/recipes-extended/grep/grep-2.5.1a/grep-CVE-2012-5667.patch')
| -rw-r--r-- | meta/recipes-extended/grep/grep-2.5.1a/grep-CVE-2012-5667.patch | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/meta/recipes-extended/grep/grep-2.5.1a/grep-CVE-2012-5667.patch b/meta/recipes-extended/grep/grep-2.5.1a/grep-CVE-2012-5667.patch new file mode 100644 index 0000000000..0631f35f16 --- /dev/null +++ b/meta/recipes-extended/grep/grep-2.5.1a/grep-CVE-2012-5667.patch @@ -0,0 +1,32 @@ +The patch to fix CVE-2012-5667 +Reference: https://bugzilla.redhat.com/attachment.cgi?id=686605&action=diff + +Multiple integer overflows in GNU Grep before 2.11 might allow +context-dependent attackers to execute arbitrary code via vectors +involving a long input line that triggers a heap-based buffer overflow. + +http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2012-5667 + +Upstream-status: Inappropriate [other] +This version of GNU Grep has been abandoned upstream and they are no longer +accepting patches. This is not a backport. + +Signed-off-by Ming Liu <ming.liu@windriver.com> +--- + grep.c | 7 +++---- + 1 file changed, 3 insertions(+), 4 deletions(-) + +--- a/src/grep.c 2013-05-15 13:39:33.359191769 +0800 ++++ a/src/grep.c 2013-05-15 13:50:22.609191882 +0800 +@@ -306,6 +306,11 @@ fillbuf (size_t save, struct stats const + int cc = 1; + char *readbuf; + size_t readsize; ++ const size_t max_save = INT_MAX / 2; ++ ++ /* Limit the amount of saved data to INT_MAX to fix CVE-2012-5667 */ ++ if (save > max_save) ++ error (2, 0, _("line too long")); + + /* Offset from start of buffer to start of old stuff + that we want to save. */ |