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[Full-disclosure] Apache Tomcat 5.5.x remote Denial Of Service
From: David Maciejak (david.maciejak
kyxar.fr)
Date: Thu Nov 03 2005 - 01:13:04 CST
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Apache Tomcat is the famous servlet container for Java Servlet and JSP
technologies released under ASL.
Version 5.5.x is intented for servlet/jsp specification 2.4/2.0.
More information on http://tomcat.apache.org/
Description:
Many time consuming directory listing requests can cause a denial of service.
Detection/PoC:
Vulnerable version tested are 5.5.0 to 5.5.11.
5.5.12 and 5.0.28 seems not to be impacted.
A easy way to test :
-Download Tomcat package from Tomcat archive
-Unpack it, use default configuration
-In webapps example dir, add some empty files (enough for the dir listing
request to be long)
-Thread many listing access on this directory
Workaround:
Upgrade to version 5.5.12
David Maciejak
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