FreeBSD : OpenSSH -- Memory corruption in sshd (5709d244-4873-11e3-8a46-000d601460a4)

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

Synopsis :

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

Description :

The OpenSSH development team reports :

A memory corruption vulnerability exists in the post- authentication
sshd process when an AES-GCM cipher ([email protected] or
[email protected]) is selected during kex exchange.

If exploited, this vulnerability might permit code execution with the
privileges of the authenticated user and may therefore allow bypassing
restricted shell/command configurations.

Either upgrade to 6.4 or disable AES-GCM in the server configuration.
The following sshd_config option will disable AES-GCM while leaving
other ciphers active :


See also :

Solution :

Update the affected packages.

Risk factor :


Family: FreeBSD Local Security Checks

Nessus Plugin ID: 70795 ()

Bugtraq ID:


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