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CVE-2013-1976

Impact:
Important
Public Date:
2013-05-28
Bugzilla:
927622: CVE-2013-1976 tomcat: Improper TOMCAT_LOG management in init script (DoS, ACE)

The MITRE CVE dictionary describes this issue as:

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.

Find out more about CVE-2013-1976 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

This flaw pertains to the init scripts provided by the RPM distribution of tomcat in various Red Hat products. ZIP distributions do not include init scripts, and are not affected by this flaw.

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 6.9
Base Metrics AV:L/AC:M/Au:N/C:C/I:C/A:C
Access Vector Local
Access Complexity Medium
Authentication None
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat JBoss Web Server 1.0 for RHEL 5 Server (various) RHSA-2013:0872 2013-05-28
Red Hat Enterprise Linux 6 (tomcat6) RHSA-2013:0869 2013-05-28
Red Hat JBoss Web Server 2 for RHEL 5 Server (various) RHSA-2013:0871 2013-05-28
Red Hat Enterprise Linux 5 (tomcat5) RHSA-2013:0870 2013-05-28
Red Hat JBoss Web Server 1.0 for RHEL 6 Server (various) RHSA-2013:0872 2013-05-28
Red Hat JBoss Web Server 2 for RHEL 6 Server (various) RHSA-2013:0871 2013-05-28

Acknowledgements

Red Hat would like to thank Simon Fayer of Imperial College London for reporting this issue.