CVE-2012-3509

Description

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.

Category

5.0
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 1.75% Top 20%
Vendor Advisory mandriva.com Vendor Advisory ubuntu.com Vendor Advisory gnu.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.mandriva.com/security/advisories?name=MDVSA-2015:029 vendor advisory broken link
http://gcc.gnu.org/ml/gcc-patches/2012-08/msg01986.html patch vendor advisory mailing list
http://www.openwall.com/lists/oss-security/2012/08/29/3 third party advisory mailing list
http://www.ubuntu.com/usn/USN-2496-1 third party advisory vendor advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/78135 third party advisory vdb entry
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54411 issue tracking
http://www.securityfocus.com/bid/55281 third party advisory vdb entry
http://security-tracker.debian.org/tracker/CVE-2012-3509 third party advisory issue tracking

Frequently Asked Questions

What is the severity of CVE-2012-3509?
CVE-2012-3509 has been scored as a medium severity vulnerability.
How to fix CVE-2012-3509?
To fix CVE-2012-3509, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2012-3509 being actively exploited in the wild?
It is possible that CVE-2012-3509 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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