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Check: GEN003020

HP-UX 11.23 STIG: GEN003020 (in version v1 r8)

Title

Cron must not execute programs in, or subordinate to, world-writable directories. (Cat II impact)

Discussion

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.

Check Content

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 <cron job file> Determine if the directory containing programs executed from cron is world-writable. Procedure: # ls -lLd <cron program directory> If cron executes programs in world-writable directories, this is a finding.

Fix Text

Remove the world-writable permission from the cron program directories identified. Procedure: # chmod o-w <cron program directory>

Additional Identifiers

Rule ID: SV-38544r1_rule

Vulnerability ID: V-977

Group Title: GEN003020

Expert Comments

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CCIs

CCIs tied to check.

Number	Definition
CCI-000225	The organization employs the concept of least privilege, allowing only authorized accesses for users (and processes acting on behalf of users) which are necessary to accomplish assigned tasks in accordance with organizational missions and business functions.

Controls

Controls tied to check. These are derived from the CCIs shown above.

Number	Title
AC-6	Least Privilege