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[gentoo-announce] [ GLSA 201111-08 ] radvd: Multiple vulnerabilities

Posted on 20 November 2011
Gentoo-announce

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Gentoo Linux Security Advisory GLSA 201111-08
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http://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:

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

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

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