SSH < 3.0.1 Locked Account Remote Authentication Bypass

Medium Nessus Network Monitor Plugin ID 1983

Synopsis

The remote host is vulnerable to a flaw which allows for the bypassing of authentication.

Description

The remote host is running SSH 3.0.0. There is a vulnerability in this release which allows any user to log into accounts that have passwords of two characters long or less. An attacker may gain root privileges using this flaw.

Solution

Upgrade to SSH 3.0.1 or higher.

Plugin Details

Severity: Medium

ID: 1983

Family: SSH

Published: 2004/08/20

Modified: 2016/11/23

Dependencies: 1967, 3059

Nessus ID: 10708

Risk Information

Risk Factor: Medium

CVSSv2

Base Score: 5.1

Temporal Score: 5.6

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

Temporal Vector: CVSS2#E:F/RL:OF/RC:C

CVSSv3

Base Score: 5.6

Temporal Score: 5.2

Vector: CVSS3#AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

Temporal Vector: CVSS3#E:F/RL:O/RC:C

Reference Information

CVE: CVE-2001-0553

BID: 3078