mediumauditverified ✓rollback-safe
Audit uses of the unix_update command
audit-cmd-unix-update · RHEL ≥ 8 · 1 impl
Description
All uses of the unix_update command must be audited. The unix_update helper is used by PAM to update password information.
Rationale
Auditing unix_update usage allows detection of password database modifications outside of normal password change procedures.
Check → Remediate
Checkaudit_rule_exists
- rule:
- -a always,exit -F path=/usr/sbin/unix_update -F perm=x -F auid>=1000 -F auid!=unset -k privileged
Remediateaudit_rule_set
- rule:
- -a always,exit -F path=/usr/sbin/unix_update -F perm=x -F auid>=1000 -F auid!=unset -k privileged
- persist_file:
- /etc/audit/rules.d/50-privileged.rules
Framework references
STIG
V-281144 / RHEL-10-500580V-258207 / RHEL-09-654165V-230426
NIST 800-53
AU-2AU-12
Live verification
rhel8:checkrhel9:check
#audit#auditd#privileged#pam