Cron must not execute group-writable or world-writable programs.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-976 | GEN003000 | SV-38543r1_rule | DCSL-1 | Medium |
| Description |
|---|
| If cron executes group-writable or world-writable programs, there is a possibility that unauthorized users could manipulate the programs with malicious intent. This could compromise system and network security. |
| STIG | Date |
|---|---|
| HP-UX 11.31 Security Technical Implementation Guide | 2018-09-14 |
Details
| Check Text ( C-36434r1_chk ) |
|---|
| List all cronjobs on the system. Procedure: # ls -lL /var/spool/cron/crontabs If cron jobs exist under any of the above directories, search for programs executed by cron. Procedure: # more Determine if the file is group-writable or world-writable. Procedure: # ls -lLa If cron executes group-writable or world-writable files, this is a finding. |
| Fix Text (F-31773r1_fix) |
|---|
| Remove the world-writable and group-writable permissions from the cron program file(s) identified. # chmod go-w |