GLSA-200512-04 : Openswan, IPsec-Tools: Vulnerabilities in ISAKMP Protocol implementation

This script is Copyright (C) 2005-2014 Tenable Network Security, Inc.


Synopsis :

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

Description :

The remote host is affected by the vulnerability described in GLSA-200512-04
(Openswan, IPsec-Tools: Vulnerabilities in ISAKMP Protocol implementation)

The Oulu University Secure Programming Group (OUSPG) discovered that
various ISAKMP implementations, including Openswan and racoon (included
in the IPsec-Tools package), behave in an anomalous way when they
receive and handle ISAKMP Phase 1 packets with invalid or abnormal
contents.

Impact :

A remote attacker could craft specific packets that would result in a
Denial of Service attack, if Openswan and racoon are used in specific,
weak configurations.

Workaround :

There is no known workaround at this time.

See also :

http://www.ee.oulu.fi/research/ouspg/protos/testing/c09/isakmp/
http://www.gentoo.org/security/en/glsa/glsa-200512-04.xml

Solution :

All Openswan users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=net-misc/openswan-2.4.4'
All IPsec-Tools users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose net-firewall/ipsec-tools

Risk factor :

High / CVSS Base Score : 7.8
(CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C)

Family: Gentoo Local Security Checks

Nessus Plugin ID: 20313 (gentoo_GLSA-200512-04.nasl)

Bugtraq ID:

CVE ID: CVE-2005-3671
CVE-2005-3732