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Check: GEN005880

VMware ESX 3 Server: GEN005880 (in version v1 r2)

Title

The NFS server must not allow remote root access. (Cat II impact)

Discussion

If the NFS server allows root access to local file systems from remote hosts, this access could be used to compromise the system.

Check Content

Determine if the NFS server is exporting with the root access option. Procedure: # exportfs -v | grep "root=" If an export with the root option is found, this is a finding.

Fix Text

Edit /etc/exports and remove the root= option for all exports. Re-export the file systems.

Additional Identifiers

Rule ID: SV-935r2_rule

Vulnerability ID: V-935

Group Title: GEN005880

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