GLSA-200909-05 : Openswan: Denial of Service

Medium Nessus Plugin ID 40913


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


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 (CVE-2009-0790).
The Orange Labs vulnerability research team discovered multiple vulnerabilities in the ASN.1 parser (CVE-2009-2185).
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.


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

See Also

Plugin Details

Severity: Medium

ID: 40913

File Name: gentoo_GLSA-200909-05.nasl

Version: $Revision: 1.10 $

Type: local

Published: 2009/09/10

Modified: 2015/04/13

Dependencies: 12634

Risk Information

Risk Factor: Medium


Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

Vulnerability Information

CPE: p-cpe:/a:gentoo:linux:openswan, cpe:/o:gentoo:linux

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Exploit Available: false

Exploit Ease: No known exploits are available

Patch Publication Date: 2009/09/09

Reference Information

CVE: CVE-2009-0790, CVE-2009-2185

BID: 34296, 35452

OSVDB: 53208, 53209, 55420, 55421

GLSA: 200909-05

CWE: 20