Check: GEN003000
AIX 6.1 SECURITY TECHNICAL IMPLEMENTATION GUIDE:
GEN003000
(in versions v1 r14 through v1 r10)
Title
Cron must not execute group-writable or world-writable programs. (Cat II impact)
Discussion
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.
Check Content
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 <cron job file> Determine if the file is group-writable or world-writable. Procedure: # ls -la <cron program file> If cron executes group-writable or world-writable files, this is a finding.
Fix Text
Remove the world-writable and group-writable permissions from the cron program file(s) identified. # chmod go-w <cron program file>
Additional Identifiers
Rule ID: SV-27329r1_rule
Vulnerability ID: V-976
Group Title: GEN003000
Expert Comments
CCIs
| 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
| Number | Title |
|---|---|
| AC-6 |
Least Privilege |