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Gentoo Linux Security Advisory                           GLSA 201111-08
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                                            https://security.gentoo.org/
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 Severity: High
    Title: radvd: Multiple vulnerabilities
     Date: November 20, 2011
     Bugs: #385967
       ID: 201111-08

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Synopsis
=======
Multiple vulnerabilities have been found in radvd which could
potentially lead to privilege escalation, data loss, or a Denial of
Service.

Background
=========
radvd is an IPv6 router advertisement daemon for Linux and BSD.

Affected packages
================
    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  net-misc/radvd               < 1.8.2                    >= 1.8.2 

Description
==========
Multiple vulnerabilities have been discovered in radvd. Please review
the CVE identifiers referenced below for details.

Impact
=====
A remote unauthenticated attacker may be able to gain escalated
privileges, escalate the privileges of the radvd process, overwrite
files with specific names, or cause a Denial of Service. Local
attackers may be able to overwrite the contents of arbitrary files
using symlinks.

Workaround
=========
There is no known workaround at this time.

Resolution
=========
All radvd users should upgrade to the latest stable version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=net-misc/radvd-1.8.2"

References
=========
[ 1 ] CVE-2011-3601
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-3601
[ 2 ] CVE-2011-3602
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-3602
[ 3 ] CVE-2011-3603
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-3603
[ 4 ] CVE-2011-3604
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-3604
[ 5 ] CVE-2011-3605
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-3605

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

 https://security.gentoo.org/glsa/201111-08

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
https://bugs.gentoo.org.

License
======
Copyright 2011 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.

https://creativecommons.org/licenses/by-sa/2.5/