Red Hat Single User Mode

high Nessus Plugin ID 105412

Synopsis

The remote Red Hat host can be accessed via single user mode without root password.

Description

The remote Red Hat system does not have authorization for single user mode enabled.
An attacker with physical access can enter single user mode with root privileges via the LILO or GRUB boot menu.

Solution

Edit '/etc/sysconfig/init' and set the 'SINGLE' configuration value to 'sulogin'.

See Also

http://www.nessus.org/u?14b14125

Plugin Details

Severity: High

ID: 105412

File Name: redhat_single_user_mode.nasl

Version: 1.9

Type: local

Agent: unix

Published: 12/21/2017

Updated: 11/27/2023

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.6

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

CVSS v3

Risk Factor: High

Base Score: 7.4

Temporal Score: 6.7

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

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:redhat:linux, cpe:/o:redhat:enterprise_linux

Required KB Items: Host/local_checks_enabled, Host/RedHat/release

Exploit Available: true

Exploit Ease: Exploits are available

Reference Information

CVE: CVE-2000-0219

BID: 1005