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F-Secure SSH Password Authentication Policy Evasion

Medium

Synopsis

The remote host may give an attacker information useful for future attacks.

Description

The remote host is running F-Secure SSH. This version contains a bug which may allow a user to log in using a password even though the server policy disallows it. An attacker may exploit this flaw to set up a dictionary attack against the remote SSH server and eventually get access to this host.

Solution

Upgrade F-Secure SSH to a version greater than 3.1.