CVE-2013-4322 Incomplete fix for CVE-2012-3544 (Denial of Service) Severity: Important Vendor: The Apache Software Foundation Versions Affected: - - Apache Tomcat 8.0.0-RC1 to 8.0.0-RC5 - - Apache Tomcat 7.0.0 to 7.0.47 - - Apache Tomcat 6.0.0 to 6.0.37 Description: The fix for CVE-2012-3544 was not complete. It did not cover the following cases: a) Chunk extensions were not limited b) Whitespace after the : in a trailing header was not limited Mitigation: Users of affected versions should apply one of the following mitigations - - Upgrade to Apache Tomcat 8.0.0-RC10 or later (8.0.0-RC6 to 8.0.0-RC9 contain the fix but were not released) - - Upgrade to Apache Tomcat 7.0.50 or later (7.0.48 to 7.0.49 contain the fix but were not released) - - Upgrade to Apache Tomcat 6.0.39 or later (6.0.38 contains the fix but was not released) Credit: This issue was partly identified by the Apache Tomcat security team and party by Saran Neti of TELUS Security Labs. References: [1] http://tomcat.apache.org/security-8.html [2] http://tomcat.apache.org/security-7.html [3] http://tomcat.apache.org/security-6.html