GLSA 201110-13: Tor: Multiple vulnerabilities

http://security.gentoo.org/

Severity:	high
Title:	Tor: Multiple vulnerabilities
Date:	10/18/2011
Bugs:	#351920, #359789
ID:	201110-13

Synopsis

Multiple vulnerabilities were found in Tor, the most severe of which may allow a remote attacker to execute arbitrary code.

Background

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

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
net-misc/tor	< 0.2.1.30	>= 0.2.1.30	All supported architectures

Description

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

Impact

A remote unauthenticated attacker may be able to execute arbitrary code with the privileges of the Tor process or create a Denial of Service.

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-0.2.1.30"

NOTE: This is a legacy GLSA. Updates for all affected architectures are available since April 2, 2011. It is likely that your system is already no longer affected by this issue.

References

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201110-13.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.