GLSA-200909-05 : Openswan: Denial of Service

This script is Copyright (C) 2009-2015 Tenable Network Security, Inc.

Synopsis :

The remote Gentoo host is missing one or more security-related

Description :

The remote host is affected by the vulnerability described in GLSA-200909-05
(Openswan: Denial of Service)

Multiple vulnerabilities have been discovered in Openswan:
Gerd v. Egidy reported a NULL pointer dereference in the Dead Peer
Detection of the pluto IKE daemon as included in Openswan
The Orange Labs vulnerability research team
discovered multiple vulnerabilities in the ASN.1 parser

Impact :

A remote attacker could exploit these vulnerabilities by sending
specially crafted R_U_THERE or R_U_THERE_ACK packets, or a specially
crafted X.509 certificate containing a malicious Relative Distinguished
Name (RDN), UTCTIME string or GENERALIZEDTIME string to cause a Denial
of Service of the pluto IKE daemon.

Workaround :

There is no known workaround at this time.

See also :

Solution :

All Openswan users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=net-misc/openswan-2.4.15'

Risk factor :

Medium / CVSS Base Score : 5.0
CVSS Temporal Score : 3.7
Public Exploit Available : false

Family: Gentoo Local Security Checks

Nessus Plugin ID: 40913 (gentoo_GLSA-200909-05.nasl)

Bugtraq ID: 34296

CVE ID: CVE-2009-0790