CVE-2014-4667 Denial of service in n/a

What is CVE-2014-4667?

CVE-2014-4667 is a medium-severity denial of service vulnerability in Canonical Ubuntu Linux, published on 3 Jul 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The sctp_association_free function in net/sctp/associola.c in the Linux kernel before 3.15.2 does not properly manage a certain backlog value, which allows remote attackers to cause a denial of service (socket outage) via a crafted SCTP packet.

Which versions are affected by CVE-2014-4667?

It affects 6 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Linux kernel, Suse Linux Enterprise Desktop, Suse Linux Enterprise Real Time Extension, Suse Linux Enterprise Server.

How do I fix CVE-2014-4667?

Upgrade to a fixed version.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2014-4667 being exploited?

There is no known exploitation of CVE-2014-4667 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-2014-4667, GHSA-6f8q-p6j4-j3h5, UBUNTU-CVE-2014-4667.