FreeBSD : OpenVPN -- potential side-channel/timing attack when comparing HMACs (92f30415-9935-11e2-ad4c-080027ef73ec)

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

Synopsis :

The remote FreeBSD host is missing one or more security-related

Description :

The OpenVPN project reports :

OpenVPN 2.3.0 and earlier running in UDP mode are subject to chosen
ciphertext injection due to a non-constant-time HMAC comparison

See also :

Solution :

Update the affected packages.

Risk factor :

Low / CVSS Base Score : 2.6

Family: FreeBSD Local Security Checks

Nessus Plugin ID: 65846 ()

Bugtraq ID:

CVE ID: CVE-2013-2061

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