CVE-2016-3110 mod_cluster Denial of Service vulnerability

What is CVE-2016-3110?

CVE-2016-3110 is a high-severity denial of service vulnerability in Fedoraproject Fedora, published on 26 Sep 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

mod_cluster, as used in Red Hat JBoss Web Server 2.1, allows remote attackers to cause a denial of service (Apache http server crash) via an MCMP message containing a series of = (equals) characters after a legitimate element.

Weakness: CWE-20

Which versions are affected by CVE-2016-3110?

2 open source packages ship an affected version, including org.jboss.mod_cluster:mod_cluster-parent. It affects 3 products.

Products include Fedoraproject Fedora, Redhat Jboss Enterprise Application Platform, Redhat Jboss Enterprise Web Server.

How do I fix CVE-2016-3110?

Upgrade org.jboss.mod_cluster:mod_cluster-parent to 1.3.3.Final or later.

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-2016-3110 being exploited?

There is no known exploitation of CVE-2016-3110 in the wild and no public exploit code.

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• CVE-2024-4947 Google Chromium V8 Type Confusion Exploited Critical 9.6
• CVE-2024-4671 Google Chromium Visuals Use-After-Free Exploited Critical 9.6

All Fedoraproject Fedora vulnerabilities

Sources

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

Also known as GHSA-68qq-3phh-53j7.