CVE-2014-7810 Improper Access Control in Apache Tomcat

Medium 5.0 Published Updated

Attackers can bypass SecurityManager protections in Apache Tomcat via Expression Language evaluation, potentially escalating privileges within the application context.

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-2014-7810?

CVE-2014-7810 is a medium-severity vulnerability in Apache Tomcat, published on 7 Jun 2015. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The Expression Language (EL) implementation in Apache Tomcat 6.x before 6.0.44, 7.x before 7.0.58, and 8.x before 8.0.16 does not properly consider the possibility of an accessible interface implemented by an inaccessible class, which allows attackers to bypass a SecurityManager protection mechanism via a web application that leverages use of incorrect privileges during EL evaluation.

Weakness: CWE-284

Which versions are affected by CVE-2014-7810?

6 open source packages ship an affected version, including org.apache.tomcat:tomcat. It affects 2 products.

PackageAffectedFixed in
org.apache.tomcat:tomcat MavenFrom 6.0.06.0.44
org.apache.tomcat:tomcat MavenFrom 6.0.06.0.44
org.apache.tomcat:tomcat MavenFrom 7.0.07.0.58
org.apache.tomcat:tomcat MavenFrom 7.0.07.0.58
org.apache.tomcat:tomcat MavenFrom 8.0.08.0.16
org.apache.tomcat:tomcat MavenFrom 8.0.08.0.16
Linux distribution packages (34)
tomcat6 Red Hat:enterprise_linux:6::clientAll versions0:6.0.24-94.el6_7
tomcat6-admin-webapps Red Hat:enterprise_linux:6::clientAll versions0:6.0.24-94.el6_7
tomcat6-debuginfo Red Hat:enterprise_linux:6::clientAll versions0:6.0.24-94.el6_7
tomcat6-docs-webapp Red Hat:enterprise_linux:6::clientAll versions0:6.0.24-94.el6_7
tomcat6-el-2.1-api Red Hat:enterprise_linux:6::clientAll versions0:6.0.24-94.el6_7
tomcat6-javadoc Red Hat:enterprise_linux:6::clientAll versions0:6.0.24-94.el6_7
tomcat6-jsp-2.1-api Red Hat:enterprise_linux:6::clientAll versions0:6.0.24-94.el6_7
tomcat6-lib Red Hat:enterprise_linux:6::clientAll versions0:6.0.24-94.el6_7
tomcat6-servlet-2.5-api Red Hat:enterprise_linux:6::clientAll versions0:6.0.24-94.el6_7
tomcat6-webapps Red Hat:enterprise_linux:6::clientAll versions0:6.0.24-94.el6_7
tomcat6 Red Hat:enterprise_linux:6::computenodeAll versions0:6.0.24-94.el6_7
tomcat6-admin-webapps Red Hat:enterprise_linux:6::computenodeAll versions0:6.0.24-94.el6_7
tomcat6-debuginfo Red Hat:enterprise_linux:6::computenodeAll versions0:6.0.24-94.el6_7
tomcat6-docs-webapp Red Hat:enterprise_linux:6::computenodeAll versions0:6.0.24-94.el6_7
tomcat6-el-2.1-api Red Hat:enterprise_linux:6::computenodeAll versions0:6.0.24-94.el6_7
tomcat6-javadoc Red Hat:enterprise_linux:6::computenodeAll versions0:6.0.24-94.el6_7
tomcat6-jsp-2.1-api Red Hat:enterprise_linux:6::computenodeAll versions0:6.0.24-94.el6_7
tomcat6-lib Red Hat:enterprise_linux:6::computenodeAll versions0:6.0.24-94.el6_7
tomcat6-servlet-2.5-api Red Hat:enterprise_linux:6::computenodeAll versions0:6.0.24-94.el6_7
tomcat6-webapps Red Hat:enterprise_linux:6::computenodeAll versions0:6.0.24-94.el6_7
tomcat6 Red Hat:enterprise_linux:6::serverAll versions0:6.0.24-94.el6_7
tomcat6-admin-webapps Red Hat:enterprise_linux:6::serverAll versions0:6.0.24-94.el6_7
tomcat6-debuginfo Red Hat:enterprise_linux:6::serverAll versions0:6.0.24-94.el6_7
tomcat6-docs-webapp Red Hat:enterprise_linux:6::serverAll versions0:6.0.24-94.el6_7
tomcat6-el-2.1-api Red Hat:enterprise_linux:6::serverAll versions0:6.0.24-94.el6_7
tomcat6-javadoc Red Hat:enterprise_linux:6::serverAll versions0:6.0.24-94.el6_7
tomcat6-jsp-2.1-api Red Hat:enterprise_linux:6::serverAll versions0:6.0.24-94.el6_7
tomcat6-lib Red Hat:enterprise_linux:6::serverAll versions0:6.0.24-94.el6_7
tomcat6-servlet-2.5-api Red Hat:enterprise_linux:6::serverAll versions0:6.0.24-94.el6_7
tomcat6-webapps Red Hat:enterprise_linux:6::serverAll versions0:6.0.24-94.el6_7
tomcat6 Red Hat:enterprise_linux:6::workstationAll versions0:6.0.24-94.el6_7
tomcat6-admin-webapps Red Hat:enterprise_linux:6::workstationAll versions0:6.0.24-94.el6_7
tomcat6-debuginfo Red Hat:enterprise_linux:6::workstationAll versions0:6.0.24-94.el6_7
tomcat6-docs-webapp Red Hat:enterprise_linux:6::workstationAll versions0:6.0.24-94.el6_7

Products include Apache Tomcat, Debian Debian Linux.

How do I fix CVE-2014-7810?

Upgrade org.apache.tomcat:tomcat to a fixed version for your release line: 6.0.44, 7.0.58 or 8.0.16.

Is CVE-2014-7810 being exploited?

There is no known exploitation of CVE-2014-7810 in the wild and no public exploit code.

All Apache Tomcat vulnerabilities

Sources

Also known as DSA-3428-1, DSA-3447-1, GHSA-4c43-cwvx-9crh, RHSA-2016:0492, SUSE-SU-2015:1281-1, UBUNTU-CVE-2014-7810.

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