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

From SOLARIS 10 SPARC SECURITY TECHNICAL IMPLEMENTATION GUIDE

Part of GEN001361

Associated with IA controls: ECLP-1

Associated with: CCI-000225

SV-26388r1_rule NIS/NIS+/yp command files must not have extended ACLs.

Vulnerability discussion

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.

Check content

Verify NIS/NIS+/yp files have no extended ACLs. # ls -lLRa /usr/lib/netsvc/yp /var/yp If the permissions include a "+", the file has an extended ACL and this is a finding.

Fix text

Remove the extended ACL from the directory and files. # chmod -R A- /usr/lib/netsvc/yp /var/yp

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