CVE-2014-3687 Denial of service in n/a

What is CVE-2014-3687?

CVE-2014-3687 is a high-severity denial of service vulnerability in Canonical Ubuntu Linux, published on 10 Nov 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The sctp_assoc_lookup_asconf_ack function in net/sctp/associola.c in the SCTP implementation in the Linux kernel through 3.17.2 allows remote attackers to cause a denial of service (panic) via duplicate ASCONF chunks that trigger an incorrect uncork within the side-effect interpreter.

Weakness: CWE-400

Which versions are affected by CVE-2014-3687?

It affects 12 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Linux kernel, Novell Suse Linux Enterprise Desktop, Novell Suse Linux Enterprise Server, Opensuse Evergreen and 6 more.

How do I fix CVE-2014-3687?

Apply the vendor's patch.

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-2014-3687 being exploited?

There is no known exploitation of CVE-2014-3687 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-2014-3687, GHSA-g3cq-4g9m-v985, UBUNTU-CVE-2014-3687.