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>> Apache Tomcat "RemoteFilterValve" Security Bypass Vulnerability

Title : Apache Tomcat "RemoteFilterValve" Security Bypass Vulnerability
VUPEN ID : VUPEN/ADV-2008-2793
CVE ID : CVE-2008-3271
CWE ID : CWE-264
Rated as : Low Risk 
Remotely Exploitable : Yes
Locally Exploitable : Yes
Release Date : 2008-10-13


Technical Description    Receive VUPEN Security alerts in a Text format  Receive VUPEN Security alerts in a PDF format  Receive VUPEN Security alerts in an XML format 

A vulnerability has been identified in Apache Tomcat, which could be exploited by attackers to bypass security restrictions. This issue is caused by an error when checking IP addresses, which could allow a user from a non-premitted IP address to gain access to a context that is protected with a valve that extends "RemoteFilterValve" including the standard "RemoteAddrValve" and "RemoteHostValve" implementations.

Affected Products

Apache Tomcat version 5.5.0
Apache Tomcat versions 4.1.0 through 4.1.31

Solution

Upgrade to Apache Tomcat version 5.5.1, 4.1.32, or later :
http://archive.apache.org/dist/tomcat/

References

http://www.vupen.com/english/advisories/2008/2793
http://tomcat.apache.org/security-5.html
http://tomcat.apache.org/security-4.html
https://issues.apache.org/bugzilla/show_bug.cgi?id=25835

Credits

Vulnerability reported by Kenichi Tsukamoto (Development Dept. II Application Management Middleware Div. FUJITSU LIMITED).

ChangeLog

2008-10-13 : Initial release

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