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Check: GEN003000

VMware ESX 3 Server: GEN003000 (in version v1 r2)

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 cron jobs on the system. If any cron job executes a program with group-writable or world-writable permissions, 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-976r2_rule

Vulnerability ID: V-976

Group Title: GEN003000

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