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


Overview

Finding ID Version Rule ID IA Controls Severity
V-22334 GEN001390 SV-38724r1_rule ECLP-1 Medium
Description
File system ACLs can provide access to files beyond what is allowed by the mode numbers of the files. The /etc/passwd file contains the list of local system accounts. It is vital to system security and must be protected from unauthorized modification.
STIG Date
AIX 5.3 SECURITY TECHNICAL IMPLEMENTATION GUIDE 2014-10-03

Details

Check Text ( C-37011r1_chk )
Verify the /etc/passwd file has no extended ACL.

Procedure:
#aclget /etc/passwd
Check to see if extended permissions are disabled. If extended permissions are not disabled, this is a finding.
Fix Text (F-32276r1_fix)
Remove the extended ACL from the /etc/passwd file and disable extended permissions.

#acledit /etc/passwd