CVE-2013-1976: Medium severity red hat jboss enterprise web server vulnerability
A security flaw was found in the way init script implementation of the Tomcat service, an Apache Servlet/JSP Engine, as used in various versions of Red Hat Enterprise Linux and Fedora, performed management of Tomcat log file. A local attacker could use this flaw to cause denial of service or, potentially, execute arbitrary code with the privileges of the privileged system user (root) via symbolic link attacks on Tomcat log file.
Acknowledgements:
Red Hat would like to thank Simon Fayer of Imperial College London for reporting this issue.
Other sources
The (1) tomcat5, (2) tomcat6, and (3) tomcat7 init scripts, as used in the RPM distribution of Tomcat for JBoss Enterprise Web Server 1.0.2 and 2.0.0, and Red Hat Enterprise Linux 5 and 6, allow local users to change the ownership of arbitrary files via a symlink attack on (a) tomcat5-initd.log, (b) tomcat6-initd.log, (c) catalina.out, or (d) tomcat7-initd.log.
— MITRE
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2013-1976?
CVE-2013-1976 is classified as a medium severity vulnerability.
How do I fix CVE-2013-1976?
To fix CVE-2013-1976, update Red Hat JBoss Enterprise Web Server and Red Hat Enterprise Linux to versions that include the security patches.
What systems are affected by CVE-2013-1976?
CVE-2013-1976 affects Red Hat JBoss Enterprise Web Server versions 1.0.2 and 2.0.0, as well as Red Hat Enterprise Linux versions 5 and 6.0.
What type of attack can exploit CVE-2013-1976?
CVE-2013-1976 can be exploited by a local attacker to cause denial of service.
When was CVE-2013-1976 disclosed?
CVE-2013-1976 was disclosed in August 2013.