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Check: GEN003745

SUSE Linux Enterprise Server v11 for System z STIG: GEN003745 (in versions v1 r12 through v1 r9)

Title

The inetd.conf and xinetd.conf files must not have extended ACLs. (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 the permissions of the xinetd configuration files. Procedure: # ls -alL /etc/xinetd.conf If the permissions include a '+', the file has an extended ACL. If the file has an extended ACL and it has not been documented with the IAO, this is a finding.

Fix Text

Remove the extended ACL from the file. # setfacl --remove-all /etc/xinetd.conf

Additional Identifiers

Rule ID: SV-45760r1_rule

Vulnerability ID: V-22424

Group Title: GEN003745

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