Linux FTP Server Backdoor Detection

critical Nessus Plugin ID 10080

Synopsis

The remote FTP server has a backdoor.

Description

There is a backdoor in the old FTP daemons of Linux that allows remote users to log in as 'NULL' with password 'NULL'. These credentials provide root access.

Solution

Upgrade your FTP server to the latest version.

Plugin Details

Severity: Critical

ID: 10080

File Name: ftp_backdoor.nasl

Version: 1.27

Type: remote

Family: Backdoors

Published: 6/22/1999

Updated: 6/13/2018

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Critical

Base Score: 10

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

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Vulnerability Information

Excluded KB Items: global_settings/supplied_logins_only

Vulnerability Publication Date: 1/1/1990

Reference Information

CVE: CVE-1999-0452

BID: 82858

Detections

Analytics