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AIX audit tools must be set to 4550 or less permissive.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-215250 | AIX7-00-002027 | SV-215250r508663_rule | Medium |
| Description |
|---|
| Protecting audit information also includes identifying and protecting the tools used to view and manipulate log data. Therefore, protecting audit tools is necessary to prevent unauthorized operation on audit information. Operating systems providing tools to interface with audit information will leverage user permissions and roles identifying the user accessing the tools and the corresponding rights the user enjoys in order to make access decisions regarding the access to audit tools. Audit tools include, but are not limited to, vendor-provided and open source audit tools needed to successfully view and manipulate audit information system activity and records. Audit tools include custom queries and report generators. Satisfies: SRG-OS-000256-GPOS-00097, SRG-OS-000257-GPOS-00098, SRG-OS-000258-GPOS-00099 |
| STIG | Date |
|---|---|
| IBM AIX 7.x Security Technical Implementation Guide | 2021-06-16 |
Details
| Check Text ( C-16448r294201_chk ) |
|---|
| Check the following audit tools are set to "4550" or less permissive: /usr/sbin/audit /usr/sbin/auditbin /usr/sbin/auditcat /usr/sbin/auditconv /usr/sbin/auditmerge /usr/sbin/auditpr /usr/sbin/auditselect /usr/sbin/auditstream # ls -l /usr/sbin/audit*|grep -v ldap -r-sr-x--- 1 root audit 64926 Mar 30 2016 /usr/sbin/audit -r-sr-x--- 1 root audit 41240 Mar 30 2016 /usr/sbin/auditbin -r-sr-x--- 1 root audit 40700 Mar 30 2016 /usr/sbin/auditcat -r-sr-x--- 1 root audit 13072 Mar 30 2016 /usr/sbin/auditconv -r-sr-x--- 1 root audit 11328 Mar 30 2016 /usr/sbin/auditmerge -r-sr-x--- 1 root audit 53466 Mar 30 2016 /usr/sbin/auditpr -r-sr-x--- 1 root audit 33128 Mar 30 2016 /usr/sbin/auditselect -r-sr-x--- 1 root audit 29952 Mar 30 2016 /usr/sbin/auditstream If any above file's permission is greater than "4550", this is a finding. Verify that "/usr/sbin/auditldap" is set to "500" or less permissive: # ls -l /usr/sbin/auditldap -r-x------ 1 root security 12204 Mar 30 2016 /usr/sbin/auditldap If the permission of "/usr/sbin/auditldap" is greater than "500", this is a finding. |
| Fix Text (F-16446r294202_fix) |
|---|
| For each audit tool in: /usr/sbin/audit /usr/sbin/auditbin /usr/sbin/auditcat /usr/sbin/auditconv /usr/sbin/auditmerge /usr/sbin/auditpr /usr/sbin/auditselect /usr/sbin/auditstream Set the permission to "4550". # chmod 4550 For /usr/sbin/auditldap: Set the permission to "500". # chmod 500 /usr/sbin/auditldap |