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NIS/NIS+/yp command files must not have extended ACLs.


Overview

Finding ID Version Rule ID IA Controls Severity
V-22318 GEN001361 SV-38691r1_rule ECLP-1 Medium
Description
NIS/NIS+/yp files are part of the system's identification and authentication processes and are, therefore, critical to system security. ACLs on these files could result in unauthorized modification, which could compromise these processes and the system.
STIG Date
AIX 6.1 SECURITY TECHNICAL IMPLEMENTATION GUIDE 2017-12-08

Details

Check Text ( C-37005r1_chk )
Determine if any NIS/NIS+/yp command files have an extended ACL. Check if extended permissions are disabled.

Procedure:

# aclget /var/nis
# aclget /var/yp
If extended permissions are not disabled, this is a finding.
Fix Text (F-32268r1_fix)
Remove the extended ACL from the NS/NIS+/yp command file(s) and disable extended permissions.

#acledit < directory >/< file >