Openswan < 2.6.36 IKE Packet NULL Pointer Dereference Remote DoS

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

Synopsis :

The remote host is affected by a remote denial of service

Description :

The remote host is running a version of Openswan prior to version
2.6.36. It is, therefore, affected by a remote denial of service
vulnerability due to a NULL pointer dereference flaw. A remote
attacker, using a specially crafted ISAKMP message with an invalid
KEY_LENGTH attribute, can cause a denial of service.

See also :

Solution :

Upgrade to Openswan 2.6.36 or later.

Risk factor :

Medium / CVSS Base Score : 5.0
CVSS Temporal Score : 4.1
Public Exploit Available : true

Family: Misc.

Nessus Plugin ID: 81052 ()

Bugtraq ID: 49984

CVE ID: CVE-2011-3380

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