cis-ubuntu1604-v200-1-7-6

name	cis-ubuntu1604-v200-1-7-6
description	Ensure permissions on /etc/issue.net are configured
category	cis-iam
version	2.0.0
author	cyberstrike-official
tags	["cis","ubuntu","linux","ubuntu-16.04","issue-net","permissions","file-permissions","banner"]
cis_id	1.7.6
cis_benchmark	CIS Ubuntu Linux 16.04 LTS Benchmark v2.0.0
tech_stack	["ubuntu","linux"]
cwe_ids	[]
chains_with	[]
prerequisites	[]
severity_boost	{}

CIS Ubuntu Linux 16.04 LTS Benchmark v2.0.0 - 1.7.6

Profile Applicability

• Level 1 - Server
• Level 1 - Workstation

Description

The contents of the /etc/issue.net file are displayed to users prior to login for remote connections from configured services.

Rationale

If the /etc/issue.net file does not have the correct ownership it could be modified by unauthorized users with incorrect or misleading information.

Audit Procedure

Command Line

Run the following command and verify Uid and Gid are both 0/root and Access is 644:

stat /etc/issue.net

Expected output:

Access: (0644/-rw-r--r--) Uid: ( 0/ root) Gid: ( 0/ root)

Expected Result

/etc/issue.net should be owned by root:root with permissions 644.

Remediation

Command Line

Run the following commands to set permissions on /etc/issue.net:

chown root:root /etc/issue.net
chmod u-x,go-wx /etc/issue.net

Default Value

Access: (0644/-rw-r--r--) Uid: ( 0/ root) Gid: ( 0/ root)

References

None.

CIS Controls

Controls Version	Control
v7	5.1 Establish Secure Configurations

Assessment Status

Automated