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Gentoo: Tomcat Information disclosure Print E-mail
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Posted by Benjamin D. Thomas   
Gentoo A vulnerability has been discovered in Tomcat that allows for the disclosure of sensitive information.A remote attacker could send a specially crafted URL to the vulnerable Tomcat server, possibly resulting in a directory traversal and read access to arbitrary files with the privileges of the user running Tomcat. Note that this vulnerability can only be exploited when using apache proxy modules like mod_proxy, mod_rewrite or mod_jk.
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Gentoo Linux Security Advisory                           GLSA 200705-03
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                                            http://security.gentoo.org/
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  Severity: Low
     Title: Tomcat: Information disclosure
      Date: May 01, 2007
      Bugs: #173122
        ID: 200705-03

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Synopsis
========

A vulnerability has been discovered in Tomcat that allows for the
disclosure of sensitive information.

Background
==========

Tomcat is the Apache Jakarta Project's official implementation of Java
Servlets and Java Server Pages.

Affected packages
=================

    -------------------------------------------------------------------
     Package             /  Vulnerable  /                   Unaffected
    -------------------------------------------------------------------
  1  www-servers/tomcat      < 5.5.22                        >= 5.5.22

Description
===========

Tomcat allows special characters like slash, backslash or URL-encoded
backslash as a separator, while Apache does not.

Impact
======

A remote attacker could send a specially crafted URL to the vulnerable
Tomcat server, possibly resulting in a directory traversal and read
access to arbitrary files with the privileges of the user running
Tomcat. Note that this vulnerability can only be exploited when using
apache proxy modules like mod_proxy, mod_rewrite or mod_jk.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Tomcat users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=www-servers/tomcat-5.5.22"

References
==========

  [ 1 ] CVE-2007-0450
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-0450

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

  http://security.gentoo.org/glsa/glsa-200705-03.xml

Concerns?
=========

Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
http://bugs.gentoo.org.

License
=======

Copyright 2007 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

http://creativecommons.org/licenses/by-sa/2.5
 
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