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Check: GEN004950

HP-UX 11.23 STIG: GEN004950 (in version v1 r8)

Title

The ftpusers file must not have an extended ACL. (Cat II impact)

Discussion

Excessive permissions on the ftpusers file could permit unauthorized modification. Unauthorized modification could result in Denial of Service to authorized FTP users or permit unauthorized users to access the FTP service.

Check Content

Check the permissions of the /etc/ftpusers file. # ls -lL /etc/ftpd/ftpusers If the permissions include a "+", the file has an extended ACL, this is a finding.

Fix Text

Remove the optional ACL from the file. # chacl -z /etc/ftpd/ftpusers

Additional Identifiers

Rule ID: SV-38367r1_rule

Vulnerability ID: V-22445

Group Title: GEN004950

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