OpenSSH 2.3.1 SSHv2 Public Key Authentication Bypass

This script is Copyright (C) 2001-2012 Tenable Network Security, Inc.


Synopsis :

The remote host has an application that is affected by a
authentication bypass vulnerability.

Description :

According to its banner, the remote host is running OpenSSH 2.3.1.

This version is vulnerable to a flaw that allows any attacker who can
obtain the public key of a valid SSH user to log into this host
without any authentication.

See also :

http://www.openbsd.org/advisories/ssh_bypass.txt

Solution :

Upgrade to OpenSSH 2.3.2.

Risk factor :

High / CVSS Base Score : 9.3
(CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C)
CVSS Temporal Score : 8.1
(CVSS2#E:H/RL:OF/RC:C)
Public Exploit Available : true

Family: Misc.

Nessus Plugin ID: 10608 ()

Bugtraq ID: 2356

CVE ID: CVE-2001-1585