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[ GLSA 200804-10 ] Tomcat: Multiple vulnerabilities
From: Pierre-Yves Rofes <py () gentoo org>
Date: Thu, 10 Apr 2008 22:33:32 +0200

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Gentoo Linux Security Advisory                           GLSA 200804-10
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: Tomcat: Multiple vulnerabilities
      Date: April 10, 2008
      Bugs: #196066, #203169
        ID: 200804-10

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Synopsis
========

Multiple vulnerabilities in Tomcat may lead to local file overwriting,
session hijacking or information disclosure.

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      < 6.0.16                       *>= 5.5.26
                                                             >= 6.0.16

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

The following vulnerabilities were reported:

* Delian Krustev discovered that the JULI logging component does not
  properly enforce access restrictions, allowing web application to add
  or overwrite files (CVE-2007-5342).

* When the native APR connector is used, Tomcat does not properly
  handle an empty request to the SSL port, which allows remote
  attackers to trigger handling of a duplicate copy of one of the
  recent requests (CVE-2007-6286).

* If the processing or parameters is interrupted, i.e. by an
  exception, then it is possible for the parameters to be processed as
  part of later request (CVE-2008-0002).

* An absolute path traversal vulnerability exists due to the way that
  WebDAV write requests are handled (CVE-2007-5461).

* Tomcat does not properly handle double quote (") characters or %5C
  (encoded backslash) sequences in a cookie value, which might cause
  sensitive information such as session IDs to be leaked to remote
  attackers and enable session hijacking attacks (CVE-2007-5333).

Impact
======

These vulnerabilities can be exploited by:

* a malicious web application to add or overwrite files with the
  permissions of the user running Tomcat.

* a remote attacker to conduct session hijacking or disclose
  sensitive data.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Tomcat 5.5.x users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=www-servers/tomcat-5.5.26"

All Tomcat 6.0.x users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=www-servers/tomcat-6.0.16"

References
==========

  [ 1 ] CVE-2007-5333
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5333
  [ 2 ] CVE-2007-5342
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5342
  [ 3 ] CVE-2007-5461
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5461
  [ 4 ] CVE-2007-6286
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-6286
  [ 5 ] CVE-2008-0002
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-0002

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

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

  http://security.gentoo.org/glsa/glsa-200804-10.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 2008 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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