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[gentoo-announce] [ GLSA 201301-03 ] Tor: Multiple vulnerabilities

Posted on 09 January 2013
Gentoo-announce

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Gentoo Linux Security Advisory GLSA 201301-03
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http://security.gentoo.org/
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Severity: Normal
Title: Tor: Multiple vulnerabilities
Date: January 08, 2013
Bugs: #432188, #434882, #444804
ID: 201301-03

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Synopsis
========
Multiple vulnerabilities have been found in Tor, allowing attackers to
cause Denial of Service or obtain sensitive information.

Background
==========
Tor is an implementation of second generation Onion Routing, a
connection-oriented anonymizing communication service.

Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-misc/tor < 0.2.3.25 >= 0.2.3.25

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

Impact
======
A remote attacker could cause a Denial of Service condition or obtain
sensitive information.

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

Resolution
==========
All Tor users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=net-misc/tor-0.2.3.25"

References
==========
[ 1 ] CVE-2012-3517
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-3517
[ 2 ] CVE-2012-3518
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-3518
[ 3 ] CVE-2012-3519
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-3519
[ 4 ] CVE-2012-4419
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-4419
[ 5 ] CVE-2012-4922
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-4922
[ 6 ] CVE-2012-5573
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-5573

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

http://security.gentoo.org/glsa/glsa-201301-03.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 2013 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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