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Check: GEN003755

VMware ESX 3 Server: GEN003755 (in version v1 r2)

Title

The xinetd.d directory must not have an extended ACL. (Cat II impact)

Discussion

The Internet service daemon configuration files must be protected as malicious modification could cause Denial-of-Service or increase the attack surface of the system.

Check Content

Check xinetd configuration directories for extended ACLs. Determine any xinetd configuration directories. Procedure: # grep includedir /etc/xinetd.conf If xinetd.conf does not exist, or no includedir lines are returned, this is not applicable. Check the xinetd configuration directories for extended ACLs. Procedure: # ls -lL <directory> If any of these directories contain a "+" in the permissions field, the directory has an extended ACL and this is a finding.

Fix Text

Remove the extended ACL from the xinetd configuration directories.

Additional Identifiers

Rule ID: SV-26090r1_rule

Vulnerability ID: V-22426

Group Title: GEN003755

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