Openswan: Denial of service — GLSA 201203-13

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

Affected packages

Package	net-misc/openswan on all architectures
Affected versions	< 2.6.37
Unaffected versions	>= 2.6.37

Background

Openswan is an implementation of IPsec for Linux.

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

Release date
March 16, 2012

Latest revision
March 16, 2012: 1

Severity
normal

Exploitable
local, remote

Bugzilla entries