CVE-2012-3509 Integer overflow in n/a

What is CVE-2012-3509?

CVE-2012-3509 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 5 Sep 2012. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-189

Which versions are affected by CVE-2012-3509?

It affects 4 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Gnu Binutils, Gnu Libiberty.

How do I fix CVE-2012-3509?

Apply the vendor's patch.

Is CVE-2012-3509 being exploited?

There is no known exploitation of CVE-2012-3509 in the wild and no public exploit code.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2012-3509, GHSA-pjv6-3frr-mr92, MGASA-2014-0346, SUSE-OU-2015:1803-1.