CVE-2012-3509
MEDIUM severity · CVSS 5 · CWE-189
5CVSS MEDIUM
Summary
Multiple integer overflows in the (1) _objalloc_alloc function in objalloc.c and (2) objalloc_alloc macro in include/objalloc.h in GNU libiberty, as used by binutils 2.22, allow remote attackers to cause a denial of service (crash) via vectors related to the "addition of CHUNK_HEADER_SIZE to the length," which triggers a heap-based buffer overflow.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges required—
User interaction—
Confidentiality impactNone
Integrity impactNone
Availability impact—
Exploit probability (EPSS)4%
AV:N/AC:L/Au:N/C:N/I:N/A:P
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: http://gcc.gnu.org/ml/gcc-patches/2012-08/msg01986.html ↗
Additional information
- NVD record
- http://gcc.gnu.org/ml/gcc-patches/2012-08/msg01986.htmlPatch
- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54411
- http://security-tracker.debian.org/tracker/CVE-2012-3509Advisory
- http://www.mandriva.com/security/advisories?name=MDVSA-2015:029
- http://www.openwall.com/lists/oss-security/2012/08/29/3Advisory
- http://www.securityfocus.com/bid/55281Advisory
- http://www.ubuntu.com/usn/USN-2496-1Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/78135Advisory