The .rhosts file must not be supported in AIX PAM.

Overview

Finding IDVersionRule IDIA ControlsSeverity
V-215433AIX7-00-003139SV-215433r991591_ruleCCI-000366medium
Description
.rhosts files are used to specify a list of hosts permitted remote access to a particular account without authenticating. The use of such a mechanism defeats strong identification and authentication requirements.
STIGDate
IBM AIX 7.x Security Technical Implementation Guide2024-08-16

Details

Check Text (C-215433r991591_chk)

Check the PAM configuration for "rhosts_auth" using command: # grep rhosts_auth /etc/pam.conf |grep -v \# If a "rhosts_auth" entry is found, this is a finding.

Fix Text (F-16629r294751_fix)

Edit "/etc/pam.conf" and remove the reference(s) to the "rhosts_auth" module.