Gentoo Linux Security Advisory                           GLSA 200405-15
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
                                             http://security.gentoo.org/
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

  Severity: Normal
     Title: cadaver heap-based buffer overflow
      Date: May 20, 2004
      Bugs: #51461
        ID: 200405-15

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Synopsis
========

There is a heap-based buffer overflow vulnerability in the neon library
used in cadaver, possibly leading to execution of arbitrary code when
connected to a malicious server.

Background
==========

cadaver is a command-line WebDAV client.

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

    -------------------------------------------------------------------
     Package           /   Vulnerable   /                   Unaffected
    -------------------------------------------------------------------
  1  net-misc/cadaver       <= 0.22.1                        >= 0.22.2

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

Stefan Esser discovered a vulnerability in the code of the neon library
(see GLSA 200405-13). This library is also included in cadaver.

Impact
======

When connected to a malicious WebDAV server, this vulnerability could
allow remote execution of arbitrary code with the rights of the user
running cadaver.

Workaround
==========

There is no known workaround at this time. All users are advised to
upgrade to the latest available version of cadaver.

Resolution
==========

All users of cadaver should upgrade to the latest stable version:

    # emerge sync

    # emerge -pv ">=net-misc/cadaver-0.22.2"
    # emerge ">=net-misc/cadaver-0.22.2"

References
==========

  [ 1 ] CAN-2004-0398
         http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0398
  [ 2 ] GLSA 200405-13
         http://www.gentoo.org/security/en/glsa/glsa-200405-13.xml

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

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

      http://security.gentoo.org/glsa/glsa-200405-15.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