Rapid7

module

FreeSSHd 1.0.9 Key Exchange Algorithm String Buffer Overflow

Disclosed
May 12, 2006
Created
May 30, 2018

Description

This module exploits a simple stack buffer overflow in FreeSSHd 1.0.9.
This flaw is due to a buffer overflow error when handling a specially
crafted key exchange algorithm string received from an SSH client.

Platform

Windows

Module Options

To display the available options, load the module within the Metasploit console and run the commands 'show options' or 'show advanced':


msf > use exploit/windows/ssh/freesshd_key_exchange
msf exploit(freesshd_key_exchange) > show targets
...targets...
msf exploit(freesshd_key_exchange) > set TARGET < target-id >
msf exploit(freesshd_key_exchange) > show options
...show and set options...
msf exploit(freesshd_key_exchange) > exploit

Title
Rapid7 Labs

2026 Global Threat Landscape Report

The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.