GLSA-201603-13 : Libreswan: Multiple Vulnerabilities

This script is Copyright (C) 2016 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-201603-13
(Libreswan: Multiple Vulnerabilities)

The pluto IKE daemon in Libreswan, when built with NSS, allows remote
attackers to cause a Denial of Service (assertion failure and daemon
restart) via a zero DH g^x value in a KE payload in a IKE packet.
Additionally, remote attackers could cause a Denial of Service (daemon
restart) via an IKEv1 packet with (1) unassigned bits set in the IPSEC
DOI value or (2) the next payload value set to ISAKMP_NEXT_SAK.

Impact :

Remote attackers could possibly cause Denial of Service.

Workaround :

There is no known workaround at this time.

See also :

Solution :

All Libreswan users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=net-misc/libreswan-3.15'

Risk factor :

Medium / CVSS Base Score : 5.0

Family: Gentoo Local Security Checks

Nessus Plugin ID: 89906 ()

Bugtraq ID:

CVE ID: CVE-2015-3204

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