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>> Apache Tomcat JK Connector Double Encoded Dot Dot Security Bypass Vulnerability

Title : Apache Tomcat JK Connector Double Encoded Dot Dot Security Bypass Vulnerability
VUPEN ID : VUPEN/ADV-2007-1941
CVE ID : CVE-2007-1860
Rated as : Low Risk 
Remotely Exploitable : Yes
Locally Exploitable : Yes
Release Date : 2007-05-25


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  Receive VUPEN Security notifications by SMS 

A vulnerability has been identified in Apache Tomcat JK Connector, which could be exploited by remote attackers to bypass security policies. This issue is caused by an error when handling double encoded ".." (dot dot) sequences in user-supplied URLs, which could be exploited by remote attackers to bypass control rules and gain unauthorized access to certain resources and URLs on the AJP backend.

Affected Products

Apache Tomcat JK Connector versions prior to 1.2.23

Solution

Upgrade to Apache Tomcat JK Connector version 1.2.23 :
http://tomcat.apache.org/download-connectors.cgi

References

http://www.vupen.com/english/advisories/2007/1941
http://tomcat.apache.org/security-jk.html

Credits

Vulnerability reported by Kazu Nambo.

ChangeLog

2007-05-25 : Initial release

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