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Cron must not execute group-writable or world-writable programs.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-976 | GEN003000 | SV-27329r1_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 |
|---|---|
| SOLARIS 10 SPARC SECURITY TECHNICAL IMPLEMENTATION GUIDE | 2016-06-22 |
Details
| Check Text ( C-28464r1_chk ) |
|---|
| List all cronjobs on the system. Procedure: # ls /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 -la If cron executes group-writable or world-writable files, this is a finding. |
| Fix Text (F-1130r2_fix) |
|---|
| Remove the world-writable and group-writable permissions from the cron program file(s) identified. # chmod go-w |