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Apache Tomcat JK Web Server Connector Double Encoded ".." Security Bypass

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Release Date:  2007-05-24    Views:  16,791

Secunia Advisory SA25383

Where:

From remote

Impact:

Security Bypass

Solution Status:

Vendor Patch

CVE Reference(s):

Description


Kazu Nambo has reported a security issue in Apache Tomcat JK Web Server Connector, which can be exploited by malicious people to bypass certain security restrictions.

The security issue is caused due to an error within the handling of double encoded ".." in URLs. This can be exploited to bypass certain restrictions and may allow access to pages on the AJP backend.

The security issue is reported in versions prior to 1.2.23.

This is related to:
SA24732


Solution:
Update to version 1.2.23.

Provided and/or discovered by:
Kazu Nambo

Original Advisory:
http://tomcat.apache.org/connectors-doc/news/20070301.html#20070518.1

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Apache Tomcat JK Web Server Connector Double Encoded ".." Security Bypass

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