RHEL 9 /etc/shadow- file must have mode 0000 or less permissive to prevent unauthorized access.
An XCCDF Rule
Description
The "/etc/shadow-" file is a backup file of "/etc/shadow", and as such, contains the list of local system accounts and password hashes. Protection of this file is critical for system security.
- ID
- SV-257897r991589_rule
- Version
- RHEL-09-232085
- Severity
- Medium
- References
- Updated
Remediation Templates
A Manual Procedure
Change the mode of the file "/etc/shadow-" to "0000" by running the following command:
$ sudo chmod 0000 /etc/shadow-