SSH Tectia Server Host Authentication Authorization Bypass Vulnerability

high Nessus Plugin ID 20316

Synopsis

It is possible to bypass the authentication of the remote ssh server.

Description

You are running a version of Tectia SSH server that is older than 5.0.1.

Versions older than 5.0.1 are vulnerable to a flaw in which an attacker may bypass the authentication routine. However, the ssh server must be configured to use Host-Based authentication only.

Solution

Upgrade to Tectia SSH server 5.0.1 and later.

Plugin Details

Severity: High

ID: 20316

File Name: tectia_ssh_server_host_bypass.nasl

Version: 1.14

Type: remote

Family: Misc.

Published: 12/16/2005

Updated: 8/1/2018

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.5

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

Vulnerability Information

CPE: cpe:/a:ssh:tectia_server

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 12/15/2005

Reference Information

CVE: CVE-2005-4310

BID: 15903