CCE-95446-1| Platform: cpe:/o:amazon:linux:2, cpe:/o:centos:centos:7, cpe:/o:oracle:linux:7, cpe:/o:oracle:linux:8, cpe:/o:redhat:enterprise_linux:7, cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:enterprise_linux:9 | Date: (C)2021-03-05 (M)2023-12-01 |
Description:
The contents of the /etc/motd file are displayed to users after login and function as a
message of the day for authenticated users.
Rationale:
If the /etc/motd file does not have the correct ownership it could be modified by
unauthorized users with incorrect or misleading information.
Audit:
Run the following command and verify Uid and Gid are both 0/root and Access is 644 :
# stat /etc/motd
Access: (0644/-rw-r--r--) Uid: ( 0/ root) Gid: ( 0/ root)
Remediation:
Run the following commands to set permissions on /etc/motd :
# chown root:root /etc/motd
# chmod u-x,go-wx /etc/motd
Parameter:
[110100100, root, root]
Technical Mechanism:
Run the following commands to set permissions on /etc/motd :
# chown root:root /etc/motd
# chmod u-x,go-wx /etc/motd
| CCSS Severity: | CCSS Metrics: |
| CCSS Score : 7.8 | Attack Vector: LOCAL |
| Exploit Score: 1.8 | Attack Complexity: LOW |
| Impact Score: 5.9 | Privileges Required: LOW |
| Severity: HIGH | User Interaction: NONE |
| Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | Scope: UNCHANGED |
| | Confidentiality: HIGH |
| | Integrity: HIGH |
| | Availability: HIGH |
| | |
References: | Resource Id | Reference |
|---|
| SCAP Repo OVAL Definition | oval:org.secpod.oval:def:72683 |
| SCAP Repo OVAL Definition | oval:org.secpod.oval:def:68597 |
| SCAP Repo OVAL Definition | oval:org.secpod.oval:def:72892 |
| SCAP Repo OVAL Definition | oval:org.secpod.oval:def:72040 |
| SCAP Repo OVAL Definition | oval:org.secpod.oval:def:72997 |
| SCAP Repo OVAL Definition | oval:org.secpod.oval:def:72786 |
| SCAP Repo OVAL Definition | oval:org.secpod.oval:def:84280 |
| SCAP Repo OVAL Definition | oval:org.secpod.oval:def:72406 |
