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If through a vulnerability assessment, a network security issue is detected for the vulnerability below, applying the appropriate security patches in a timely matter is very important. If you have detected that your system has already been compromised, following CERT's Network Security recovery document will assist with recommended steps for system recovery.

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Vulnerability Assessment Details

SSH Insertion Attack

Vulnerability Assessment Summary
Checks for the remote SSH version

Detailed Explanation for this Vulnerability Assessment

Summary :

The remote SSH server contains a cryptographical weakness which might permit
a third party to decrypt the traffic.

Description :

The remote host is running a version of SSH which is older than (or as old as)
version 1.2.23.

The remote version of this software is vulnerable to a known plain text attack,
which may permit a possible hacker to insert encrypted packets in the client - server
stream that will be deciphered by the server, thus permiting the attacker to
execute arbitrary commands on the remote server

Solution :

Upgrade to version 1.2.25 of SSH which solves this problem.

Network Security Threat Level:

Low / CVSS Base Score : 3
(AV:R/AC:H/Au:NR/C:P/A:N/I:N/B:C)

Networks Security ID:

Vulnerability Assessment Copyright: This script is Copyright (C) 1999 - 2006 Tenable Network Security

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