Details
The /etc/gshadow file is critical to system security and must be protected from unauthorized modification. The /etc/gshadow file contains a list of system groups and hashes for group passwords.
Solution
Remove the extended ACL from the file.
# setfacl --remove-all /etc/gshadow
Supportive Information
The following resource is also helpful.
This security hardening control applies to the following category of controls within NIST 800-53: Access Control.This control applies to the following type of system Unix.
References
- 800-53|AC-6
- CAT|II
- CCI|CCI-000225
- Group-ID|V-22344
- Rule-ID|SV-37176r1_rule
- STIG-ID|GEN000000-LNX001434
- Vuln-ID|V-22344
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