FreeBSD : openvpn -- multiple TCP clients connecting with the same certificate at the same time can crash the server (5ad3e437-e527-4514-b9ed-280b2ca1a8c9)

This script is Copyright (C) 2006-2013 Tenable Network Security, Inc.


Synopsis :

The remote FreeBSD host is missing a security-related update.

Description :

James Yonan reports :

If two or more client machines try to connect to the server at the
same time via TCP, using the same client certificate, and when
--duplicate-cn is not enabled on the server, a race condition can
crash the server with 'Assertion failed at mtcp.c:411'

See also :

http://openvpn.net/changelog.html
http://www.nessus.org/u?55f38e86

Solution :

Update the affected package.

Risk factor :

Low / CVSS Base Score : 2.6
(CVSS2#AV:N/AC:H/Au:N/C:N/I:N/A:P)

Family: FreeBSD Local Security Checks

Nessus Plugin ID: 21433 (freebsd_pkg_5ad3e437e5274514b9ed280b2ca1a8c9.nasl)

Bugtraq ID:

CVE ID: CVE-2005-2534

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