GLSA 201203-13: Openswan: Denial of Service

http://security.gentoo.org/

Severity:	normal
Title:	Openswan: Denial of Service
Date:	03/16/2012
Bugs:	#372961, #389097
ID:	201203-13

Synopsis

Multiple vulnerabilities in Openswan may create a Denial of Service condition.

Background

Openswan is an implementation of IPsec for Linux.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
net-misc/openswan	< 2.6.37	>= 2.6.37	All supported architectures

Description

Two vulnerabilities have been found in Openswan:

Improper permissions are used on /var/run/starter.pid and /var/lock/subsys/ipsec (CVE-2011-2147).
Openswan contains a use-after-free error in the cryptographic helper handler (CVE-2011-4073).

Impact

A remote authenticated attacker or a local attacker may be able to cause a Denial of Service condition.

Workaround

There is no known workaround at this time.

Resolution

All Openswan users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose ">=net-misc/openswan-2.6.37"

NOTE: This is a legacy GLSA. Updates for all affected architectures are available since November 10, 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-201203-13.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.