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Files executed through a mail aliases file must not have extended ACLs.


Overview

Finding ID Version Rule ID IA Controls Severity
V-22441 GEN004430 SV-38810r1_rule ECLP-1 Medium
Description
Excessive permissions on files executed through a mail alias file could result in modification by an unauthorized user, execution of malicious code, and/or system compromise.
STIG Date
AIX 5.3 SECURITY TECHNICAL IMPLEMENTATION GUIDE 2014-10-03

Details

Check Text ( C-36885r1_chk )
Examine the contents of the /etc/mail/aliases file.
For each file referenced, check the permissions of the file.

#aclget [File referenced from alias]

Check if extended permissions are disabled. If extended permissions are not disabled, this is a finding.
Fix Text (F-31912r1_fix)
Remove the extended ACL from the file(s) referenced from the aliases file and disable extended permissions.

#acledit [File referenced from aliases]