The /etc/nsswitch.conf file must not have an extended ACL.

From AIX 6.1 SECURITY TECHNICAL IMPLEMENTATION GUIDE

Associated with IA controls: ECLP-1

Associated with: CCI-000225

SV-39334r1_rule The /etc/nsswitch.conf file must not have an extended ACL.

Vulnerability discussion

The nsswitch.conf file (or equivalent) configures the source of a variety of system security information including account, group, and host lookups. Malicious changes could prevent the system from functioning or compromise system security.

Check content

Verify /etc/nsswitch.conf has no extended ACL. AIX does not use the /etc/nsswitch.conf file. This check is not applicable. Procedure: # aclget /etc/nsswitch.conf If extended permissions are enabled, this is a finding.

Fix text

Remove the extended ACL from the /etc/nsswitch.conf file. # acledit /etc/nsswitch.conf

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