Gentoo: libneon Format string vulnerabilities
Posted by LinuxSecurity.com Team   
Gentoo Allows malicious WebDAV server to execute arbitrary code.

Gentoo Linux Security Advisory                           GLSA 200405-01
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                                             http://security.gentoo.org/
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  Severity: Normal
     Title: Multiple format string vulnerabilities in neon 0.24.4 and
            earlier
      Date: May 09, 2004
      Bugs: #48448
        ID: 200405-01

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Synopsis
========

There are multiple format string vulnerabilities in libneon which may
allow a malicious WebDAV server to execute arbitrary code.

Background
==========

neon provides an HTTP and WebDAV client library.

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

    -------------------------------------------------------------------
     Package        /   Vulnerable   /                      Unaffected
    -------------------------------------------------------------------
  1  net-misc/neon       <= 0.24.4                           >= 0.24.5

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

There are multiple format string vulnerabilities in libneon which may
allow a malicious WebDAV server to execute arbitrary code under the
context of the process using libneon.

Impact
======

An attacker may be able to execute arbitrary code under the context of
the process using libneon.

Workaround
==========

A workaround is not currently known for this issue. All users are
advised to upgrade to the latest version of the affected package.

Resolution
==========

Neon users should upgrade to version 0.24.5 or later:

    # emerge sync

    # emerge -pv ">=net-misc/neon-0.24.5"
    # emerge ">=net-misc/neon-0.24.5"

References
==========

  [ 1 ] CVE
         http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0179

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

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

      http://security.gentoo.org/glsa/glsa-200405-01.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 2004 Gentoo Technologies, 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/1.0