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Cron must not execute programs in, or subordinate to, world-writable directories.


Overview

Finding ID Version Rule ID IA Controls Severity
V-227742 GEN003020 SV-227742r603266_rule Medium
Description
If cron programs are located in or subordinate to world-writable directories, they become vulnerable to removal and replacement by malicious users or system intruders.
STIG Date
Solaris 10 X86 Security Technical Implementation Guide 2020-12-04

Details

Check Text ( C-29904r488810_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 directory containing programs executed from cron is world-writable.
Procedure:
# ls -ld

If cron executes programs in world-writable directories, this is a finding.
Fix Text (F-29892r488811_fix)
Remove the world-writable permission from the cron program directories identified.

Procedure:
# chmod o-w