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The at.allow file must not have an extended ACL.


Overview

Finding ID Version Rule ID IA Controls Severity
V-22390 GEN003245 SV-38786r1_rule ECLP-1 Medium
Description
File system extended ACLs provide access to files beyond what is allowed by the mode numbers of the files. Unauthorized modification of the at.allow file could result in Denial of Service to authorized at users and the granting of the ability to run at jobs to unauthorized users.
STIG Date
AIX 5.3 SECURITY TECHNICAL IMPLEMENTATION GUIDE 2014-10-03

Details

Check Text ( C-37251r1_chk )
#aclget /var/adm/cron/at.allow
Verify if extended permissions are disabled. If extended permissions are not disabled, this is a finding.
Fix Text (F-32477r1_fix)
Remove the extended ACL from the at.allow file and disable extended permissions.

#acledit /var/adm/cron/at.allow