Detections
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freeSSHd Key Exchange Algorithm String Remote Overflow

high Nessus Plugin ID 21580

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Synopsis

The remote SSH server is prone to a buffer overflow attack.

Description

The remote host is using freeSSHd, a free SSH server for Windows.

The version of freeSSHd installed on the remote host does not validate the key exchange strings sent by a SSH client. This can result in a buffer overflow and possibly a compromise of the host if an unauthenticated attacker sends a long key exchange string.

Solution

Upgrade to FreeSSHd version 1.0.10 or later.

Plugin Details

Severity: High

ID: 21580

File Name: freesshd_key_exchange_overflow.nasl

Version: 1.19

Type: remote

Published: 5/22/2006

Updated: 8/22/2018

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.2

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Vulnerability Publication Date: 5/12/2006

Exploitable With

Metasploit (FreeSSHd 1.0.9 Key Exchange Algorithm String Buffer Overflow)

Reference Information

CVE: CVE-2006-2407

BID: 17958

Secunia: 19846