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CIS Ubuntu 14.04 LTS - 1.7.1.5 Ensure permissions on /etc/issue are configured

Verify that /etc/issue has correct ownership and permissions to prevent unauthorized modification

cyberstrikeus Updated
Coding & Dev Tools

File contents

1.7.1.5 Ensure permissions on /etc/issue are configured (Scored)

Profile Applicability

  • Level 1 - Server
  • Level 1 - Workstation

Description

The contents of the /etc/issue file are displayed to users prior to login for local terminals.

Rationale

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

Audit Procedure

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

stat /etc/issue

Expected Result

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

Remediation

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

chown root:root /etc/issue
chmod 644 /etc/issue

Default Value

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

References

  • CIS Controls: 5.1 Minimize And Sparingly Use Administrative Privileges

Profile

  • Level 1 - Server
  • Level 1 - Workstation

cyberstrikeus/cyberstrike/tree/main/.cyberstrike/skill/CIS_benchmarks/Operating_Systems/Ubuntu/cis-ubuntu-linux-14-04-lts-benchmark-v2/cis-ubuntu1404-v210-1-7-1-5 commit 3336ff89cc

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Frequently asked questions

npx skillmds@latest add cyberstrikeus/cis-ubuntu-14-04-lts-1-7-1-5-ensure-permissions-on-etc-issue