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All system command files must have mode 0755 or less permissive.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-794 | GEN001200 | SV-794r3_rule | ECLP-1 | Medium |
| Description |
|---|
| Restricting permissions will protect system command files from unauthorized modification. System command files include files present in directories used by the operating system for storing default system executables and files present in directories included in the system's default executable search paths. |
| STIG | Date |
|---|---|
| AIX 5.3 SECURITY TECHNICAL IMPLEMENTATION GUIDE | 2014-10-03 |
Details
| Check Text ( C-298r4_chk ) |
|---|
| Check the permissions for files in /etc, /bin, /usr/bin, /usr/lbin, /usr/ucb, /sbin, and /usr/sbin. Procedure: # ls -lL /etc /bin /usr/bin /usr/lbin /usr/ucb /sbin /usr/sbin If any command file is listed and has a mode more permissive than 0755, this is a finding. NOTE: Elevate to Severity Code I if any command file listed is world-writable. |
| Fix Text (F-948r2_fix) |
|---|
| Change the mode for system command files to 0755 or less permissive. Procedure: # chmod 0755 |