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CVE-2007-6286: Tomcat duplicate request processing vulnerability

Severity: Important

Vendor:
The Apache Software Foundation

Versions Affected:
Tomcat 5.5.11 to 5.5.25
Tomcat 6.0.0 to 6.0.15

Description:
When using the native (APR based) connector, connecting to the SSL port
using netcat and then disconnecting without sending any data will cause
tomcat to handle a duplicate copy of one of the recent requests.

Mitigation:
6.0.x users should upgrade to 6.0.16 which includes version 1.1.12 of the
native connector.
5.5.x users should upgrade to 5.5.26 which includes version 1.1.12 of the
native connector.

Example:
See description.

Credit:
This issue was discovered by System Core (http://www.systemcore.ca/). 

References:
http://tomcat.apache.org/security.html 
http://tomcat.apache.org/security-5.html 
http://tomcat.apache.org/security-6.html 

The Apache Tomcat Security Team
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