cyberstrikeus CIS Ubuntu Linux 16.04 LTS Benchmark v2.0.0 - 6.1.4
Profile Applicability
- Level 1 - Server
- Level 1 - Workstation
Description
The /etc/group file contains a list of all the valid groups defined in the system. The command below allows read/write access for root and read access for everyone else.
Rationale
The /etc/group file needs to be protected from unauthorized changes by non-privileged users, but needs to be readable as this information is used with many non-privileged programs.
Audit Procedure
Command Line
Run the following command and verify Uid and Gid are both 0/root and Access is 644:
stat /etc/group
Expected Result
Access: (0644/-rw-r--r--) Uid: ( 0/ root) Gid: ( 0/ root)
Remediation
Command Line
Run the following command to set permissions on /etc/group:
chown root:root /etc/group
chmod u-x,go-wx /etc/group
Default Value
Access: (0644/-rw-r--r--) Uid: ( 0/ root) Gid: ( 0/ root)
References
- CIS Ubuntu Linux 16.04 LTS Benchmark v2.0.0
CIS Controls
| Controls Version | Control |
|---|---|
| v7 | 16.4 Encrypt or Hash all Authentication CredentialsEncrypt or hash with a salt all authentication credentials when stored. |
Assessment Status
Automated