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TITLE:
Apache Tomcat Directory Traversal Security Issue

SECUNIA ADVISORY ID:
SA24732

VERIFY ADVISORY:
http://secunia.com/advisories/24732/

CRITICAL:
Less critical

IMPACT:
Security Bypass

WHERE:
>From remote

SOFTWARE:
Apache Tomcat 5.x
http://secunia.com/product/3571/

DESCRIPTION:
D. Matscheko has reported a security issue in Apache Tomcat, which
can be exploited by malicious people to bypass certain security
restrictions.

If Tomcat is running behind a proxy with context restriction, an
error within the handling of certain path delimiters in requests
('2F', '%5C', and '\') can be exploited to bypass the context
restrictions and may allow access to non-proxied contexts.

The security issue is reported in versions 5.5.0 to 5.5.21, 5.0.0 to 
5.5.0.30, and 6.0.0 to 6.0.9.

SOLUTION:
Update to version 5.5.22 or 6.0.10.

Configure Apache Tomcat so that you don't have to rely on context
restricting proxies.

PROVIDED AND/OR DISCOVERED BY:
D. Matscheko

ORIGINAL ADVISORY:
http://www.sec-consult.com/287.html

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

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About:
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http://secunia.com/about_secunia_advisories/


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