CVE-2016-0714 Improper Access Control in Apache Tomcat

High 8.8 Published Updated

Authenticated users can bypass SecurityManager restrictions to execute arbitrary code in a privileged context via crafted session objects.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2016-0714?

CVE-2016-0714 is a high-severity vulnerability in Apache Tomcat, published on 25 Feb 2016. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The session-persistence implementation in Apache Tomcat 6.x before 6.0.45, 7.x before 7.0.68, 8.x before 8.0.31, and 9.x before 9.0.0.M2 mishandles session attributes, which allows remote authenticated users to bypass intended SecurityManager restrictions and execute arbitrary code in a privileged context via a web application that places a crafted object in a session.

Weakness: CWE-264

Which versions are affected by CVE-2016-0714?

8 open source packages ship an affected version, including org.apache.tomcat:tomcat. It affects 3 products.

PackageAffectedFixed in
org.apache.tomcat:tomcat MavenFrom 6.0.06.0.46
org.apache.tomcat:tomcat MavenFrom 6.0.06.0.46
org.apache.tomcat:tomcat MavenFrom 7.0.07.0.70
org.apache.tomcat:tomcat MavenFrom 7.0.07.0.70
org.apache.tomcat:tomcat MavenFrom 8.0.0.RC18.0.32
org.apache.tomcat:tomcat MavenFrom 8.0.0.RC18.0.32
2 more packages
org.apache.tomcat:tomcat MavenFrom 9.0.0.M19.0.0.M2
org.apache.tomcat:tomcat MavenFrom 9.0.0.M19.0.0.M2

Products include Apache Tomcat, Canonical Ubuntu Linux, Debian Debian Linux.

How do I fix CVE-2016-0714?

Upgrade org.apache.tomcat:tomcat to a fixed version for your release line: 6.0.46, 7.0.70, 8.0.32 or 9.0.0.M2.

Is CVE-2016-0714 being exploited?

There is no known exploitation of CVE-2016-0714 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

All Apache Tomcat vulnerabilities

Sources

Also known as GHSA-mv42-px54-87jw, UBUNTU-CVE-2016-0714.

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