CVE-2016-6794 Apache Tomcat System Property Disclosure Severity: Low
Vendor: The Apache Software Foundation Versions Affected: Apache Tomcat 9.0.0.M1 to 9.0.0.M9 Apache Tomcat 8.5.0 to 8.5.4 Apache Tomcat 8.0.0.RC1 to 8.0.36 Apache Tomcat 7.0.0 to 7.0.70 Apache Tomcat 6.0.0 to 6.0.45 Earlier, unsupported versions may also be affected. Description When a SecurityManager is configured, a web application's ability to read system properties should be controlled by the SecurityManager. Tomcat's system property replacement feature for configuration files could be used by a malicious web application to bypass the SecurityManager and read system properties that should not be visible. Mitigation Users of affected versions should apply one of the following mitigations - Upgrade to Apache Tomcat 9.0.0.M10 or later - Upgrade to Apache Tomcat 8.5.5 or later - Upgrade to Apache Tomcat 8.0.37 or later - Upgrade to Apache Tomcat 7.0.72 or later (Apache Tomcat 7.0.71 has the fix but was not released) - Upgrade to Apache Tomcat 6.0.47 or later (Apache Tomcat 6.0.46 has the fix but was not released) Credit: This issue was discovered by the Apache Tomcat Security Team. References: [1] http://tomcat.apache.org/security-9.html [2] http://tomcat.apache.org/security-8.html [3] http://tomcat.apache.org/security-7.html [4] http://tomcat.apache.org/security-6.html
