Technical Description

A vulnerability has been identified in Apache Tomcat, which could be exploited by remote attackers to gain knowledge of sensitive information. This issue is caused by an error when processing cookies that contain a single quote, which could potentially allow attackers to disclose session IDs and hijack a user's session.

Affected Products

Apache Tomcat versions 6.0.0 through 6.0.13
Apache Tomcat versions 5.5.0 through 5.5.24
Apache Tomcat versions 5.0.0 through 5.0.30
Apache Tomcat versions 4.1.0 through 4.1.36
Apache Tomcat versions 3.3 through 3.3

Solution

Upgrade to Apache Tomcat version 6.0.14 :
http://tomcat.apache.org/index.html

References

http://www.vupen.com/english/advisories/2007/2902
http://tomcat.apache.org/security-6.html

Credits

Vulnerability reported by Tomasz Kuczynski.

ChangeLog

2007-08-16 : Initial release

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