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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:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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