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The /etc/gshadow file must not have an extended ACL.


Overview

Finding ID Version Rule ID IA Controls Severity
V-22344 GEN000000-LNX001434 SV-37176r1_rule ECLP-1 Medium
Description
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.
STIG Date
Red Hat Enterprise Linux 5 Security Technical Implementation Guide 2016-06-01

Details

Check Text ( C-35880r1_chk )
Check /etc/gshadow has no extended ACL.
# ls -l /etc/gshadow
If the permissions include a '+', the file has an extended ACL. If the file has an extended ACL and it has not been documented with the IAO, this is a finding.
Fix Text (F-31135r1_fix)
Remove the extended ACL from the file.
# setfacl --remove-all /etc/gshadow