[ GLSA 200504-16 ] CVS: Multiple vulnerabilities

[Sune Kloppenborg Jeppesen <jaervosz () gentoo org>]

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Gentoo Linux Security Advisory                           GLSA 200504-16
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                                            http://security.gentoo.org/
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  Severity: High
     Title: CVS: Multiple vulnerabilities
      Date: April 18, 2005
      Bugs: #86476
        ID: 200504-16

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Synopsis
========

Several serious vulnerabilities have been found in CVS, which may allow
an attacker to remotely compromise a CVS server or cause a DoS.

Background
==========

CVS (Concurrent Versions System) is an open-source network-transparent
version control system. It contains both a client utility and a server.

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

    -------------------------------------------------------------------
     Package       /   Vulnerable   /                       Unaffected
    -------------------------------------------------------------------
  1  dev-util/cvs     < 1.11.18-r1                       >= 1.11.18-r1

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

Alen Zukich has discovered several serious security issues in CVS,
including at least one buffer overflow (CAN-2005-0753), memory leaks
and a NULL pointer dereferencing error.

Impact
======

An attacker could exploit these vulnerabilities to cause a Denial of
Service or execute arbitrary code with the permissions of the CVS
pserver or the authenticated user (depending on the connection method
used).

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All CVS users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=dev-util/cvs-1.11.18-r1"

References
==========

  [ 1 ] CAN-2005-0753
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0753

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

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

  http://security.gentoo.org/glsa/glsa-200504-16.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 2005 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/2.0

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