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AUSCERT External Security Bulletin Redistribution
ESB-2008.0815 -- [Win][UNIX/Linux]
Apache Tomcat UTF8 Directory Traversal Vulnerability
21 August 2008
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AusCERT Security Bulletin Summary
---------------------------------
Product: Apache Tomcat
Publisher: US-CERT
Operating System: UNIX variants (UNIX, Linux, OSX)
Windows
Impact: Read-only Data Access
Access: Remote/Unauthenticated
Original Bulletin: http://www.kb.cert.org/vuls/id/343355
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Vulnerability Note VU#343355
Apache Tomcat UTF8 Directory Traversal Vulnerability
Overview
Apache Tomcat contains a vulnerability that may allow directory traversal.
I. Description
Apache Tomcat is an implementation of the Java Servlet and JavaServer Page
(JSP) technologies. Apache Tomcat contains a vulnerability in the way
malformed requests are handled. According to the Apache Tomcat 6.x
Vulnerabilities page:
If a context is configured with allowLinking="true" and the connector
is configured with URIEncoding="UTF-8" then a malformed request may be
used to access arbitrary files on the server.
This vulnerability affects versions 4.1.0-4.1.37, 5.5.0-5.5.26, and
6.0.0-6.0.16.
Note that we are aware of publicly-available exploit code for this
vulnerability.
II. Impact
A remote attacker could gain access to arbitrary files on the server.
III. Solution
Apply an update
This vulnerability is addressed in Apache Tomcat 4.1.38, 5.5.27, and 6.0.18.
Please check the Apache Tomcat Security page for availability of fixes for
this and other versions of Tomcat.
Systems Affected
Vendor Status Date Updated
Apache Tomcat Vulnerable 19-Aug-2008
References
http://tomcat.apache.org/security.html
Credit
This issue was reported by William A. Rowe of Apache.
This document was written by Chris Taschner.
Other Information
Date Public 11/08/2008
Date First Published 19/08/2008 16:28:12
Date Last Updated 19/08/2008
CERT Advisory
CVE-ID(s) CVE-2008-2938
NVD-ID(s) CVE-2008-2938
US-CERT Technical Alerts
Metric 7.14
Document Revision 4
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