CVE-2012-4431 Apache Tomcat Bypass of CSRF prevention filter

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CVE-2012-4431 Apache Tomcat Bypass of CSRF prevention filter

Severity: Important

Vendor: The Apache Software Foundation

Versions Affected:

• • Tomcat 7.0.0 to 7.0.31
• • Tomcat 6.0.0 to 6.0.35

Description:
The CSRF prevention filter could be bypassed if a request was made to a
protected resource without a session identifier present in the request.

Mitigation:
Users of affected versions should apply one of the following mitigations:

• • Tomcat 7.0.x users should upgrade to 7.0.32 or later
• • Tomcat 6.0.x users should upgrade to 6.0.36 or later

Credit:
This issue was identified by The Tomcat security team

References:
http://tomcat.apache.org/security.html
http://tomcat.apache.org/security-7.html
http://tomcat.apache.org/security-6.html
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