CVE-2016-2374 Memory corruption in Pidgin

What is CVE-2016-2374?

CVE-2016-2374 is a high-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 6 Jan 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An exploitable memory corruption vulnerability exists in the handling of the MXIT protocol in Pidgin. Specially crafted MXIT MultiMX message sent via the server can result in an out-of-bounds write leading to memory disclosure and code execution.

Weakness: CWE-200, CWE-125

Which versions are affected by CVE-2016-2374?

It affects 3 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Pidgin Pidgin.

How do I fix CVE-2016-2374?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2016-2374 being exploited?

There is no known exploitation of CVE-2016-2374 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-2016-2374, GHSA-qm22-h7gg-wr34, UBUNTU-CVE-2016-2374.