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From: klieber at gentoo.org (Kurt Lieber)
Subject: [gentoo-announce] [ GLSA 200404-14 ] Multiple format string vulnerabilities in cadaver

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Gentoo Linux Security Advisory                           GLSA 200404-14
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: Multiple format string vulnerabilities in cadaver

      Date: April 19, 2004
      Bugs: #47799
        ID: 200404-14

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Synopsis
========

There are multiple format string vulnerabilities in the neon library
used in cadaver, possibly leading to execution of arbitrary code when
connected to a malicious server.

Background
==========

According to http://www.webdav.org/cadaver, cadaver is a command-line
WebDAV client for Unix. It supports file upload, download, on-screen
display, namespace operations (move/copy), collection creation and
deletion, and locking operations.

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

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

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

Cadaver code includes the neon library, which in versions 0.24.4 and
previous is vulnerable to multiple format string attacks. The latest
version of cadaver uses version 0.24.5 of the neon library, which makes
it immune to this vulnerability.

Impact
======

When using cadaver to connect to an untrusted WebDAV server, this
vulnerability can allow a malicious remote server to execute arbitrary
code on the client with the rights of the user using cadaver.

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
==========

cadaver users should upgrade to version 0.22.1 or later:

    # emerge sync

    # emerge -pv ">=net-misc/cadaver-0.22.1"
    # emerge ">=net-misc/cadaver-0.22.1"

References
==========

  [ 1 ] 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-200404-14.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@...too.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
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