Title

All system audit files must not have extended ACLs. (Cat II impact)

Discussion

If a user can write to the audit logs, then audit trails can be modified or destroyed and system intrusion may not be detected.

Check Content

Check the audit configuration to determine the location of the system audit log files. # more /etc/security/audit_control Check the system audit log files for extended ACLs. # ls -la [audit log dir] If the permissions include a "+", the file has an extended ACL and this is a finding.

Fix Text

Remove the extended ACL from the file. # getfacl [audit file] Remove each ACE returned. # setfacl -d [ACE] [audit file]

Additional Identifiers

Rule ID: SV-26501r1_rule

Vulnerability ID: V-22369

Group Title:

Expert Comments

CCIs tied to check.

Controls tied to check. These are derived from the CCIs shown above.