Tectia SSH Server Authentication Bypass

This script is Copyright (C) 2012-2013 Tenable Network Security, Inc.


Synopsis :

An SSH server running on the remote host has an authentication bypass
vulnerability.

Description :

The version of Tectia SSH Server running on the remote host has an
authentication bypass vulnerability. A remote, unauthenticated attacker
can bypass authentication by sending a specially crafted request,
allowing the attacker to authenticate as root.

The software is only vulnerable when running on Unix or Unix-like
operating systems.

See also :

http://archives.neohapsis.com/archives/fulldisclosure/2012-12/0013.html
http://archives.neohapsis.com/archives/fulldisclosure/2012-12/0065.html
http://www.nessus.org/u?7b7686fa

Solution :

Disable password authentication in the ssh-server-config.xml
configuration file (this file needs to be created if it does not already
exist). Refer to the vendor's advisory for more information.

Risk factor :

Critical / CVSS Base Score : 10.0
(CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C)
CVSS Temporal Score : 8.3
(CVSS2#E:F/RL:OF/RC:C)
Public Exploit Available : true

Family: Gain a shell remotely

Nessus Plugin ID: 63156 ()

Bugtraq ID: 56783

CVE ID: CVE-2012-5975