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AlmaLinux OS 9 /etc/shadow file must have mode 0000 to prevent unauthorized access.

An XCCDF Rule

Description

The "/etc/shadow" file contains the list of local system accounts and stores password hashes. Protection of this file is critical for system security. Failure to give ownership of this file to root provides the designated owner with access to sensitive information, which could weaken the system security posture.

ID
SV-269231r1050113_rule
Version
ALMA-09-017180
Severity
Medium
References
Updated

Remediation Templates

A Manual Procedure

Change the mode of the file "/etc/shadow" to "0000" by running the following command:

$ chmod 0000 /etc/shadow