Openswan < 2.6.37 Cryptographic Helper Use-After-Free Remote DoS

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


Synopsis :

The remote host is affected by a remote denial of service
vulnerability.

Description :

The remote host is running a version of Openswan prior to version
2.6.37. It is, therefore, affected by a remote denial of service
vulnerability due to a use-after-free flaw in the cryptographic helper
handler. A remote attacker can exploit this issue to cause a denial of
service.

See also :

https://download.openswan.org/openswan/CVE-2011-4073/CVE-2011-4073.txt

Solution :

Upgrade to Openswan version 2.6.37 or later.

Risk factor :

Medium / CVSS Base Score : 4.0
(CVSS2#AV:N/AC:L/Au:S/C:N/I:N/A:P)
CVSS Temporal Score : 3.3
(CVSS2#E:F/RL:OF/RC:C)
Public Exploit Available : true

Family: Misc.

Nessus Plugin ID: 81053 ()

Bugtraq ID: 50440

CVE ID: CVE-2011-4073

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