System audit tool executables must not have extended ACLs.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-22373	GEN002718	SV-26516r2_rule	ECLP-1	Low

Description
To prevent unauthorized access or manipulation of system audit logs, the tools for manipulating those logs must be protected.

STIG	Date
HP-UX 11.31 Security Technical Implementation Guide	2017-12-08

Details

Check Text ( C-36440r3_chk )
Verify the audit tools file permissions. The list of files should minimally include the following: audevent - Change/display event/system call status. audfilter - Load/clear/display the audit filtering policy. auditdp - Selectively read/write and convert/format the audit data. audisp - Display audit records. audomon - Audit file monitoring and size parameter setpoints. audsys - Start/stop auditing; set/display the audit file or directory information. userdbset - Select user to be audited. # ls -lL /usr/sbin/aud* /usr/sbin/userdb* If any audit tool file permissions include a “+”, this is a finding.

Check Text ( C-36440r3_chk )

Verify the audit tools file permissions. The list of files should minimally include the following:
audevent - Change/display event/system call status.
audfilter - Load/clear/display the audit filtering policy.
auditdp - Selectively read/write and convert/format the audit data.
audisp - Display audit records.
audomon - Audit file monitoring and size parameter setpoints.
audsys - Start/stop auditing; set/display the audit file or directory information.
userdbset - Select user to be audited.
# ls -lL /usr/sbin/aud* /usr/sbin/userdb*

If any audit tool file permissions include a “+”, this is a finding.

Fix Text (F-31779r2_fix)
As root, change the file permissions. # chacl -z