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Check: GEN004930

SUSE Linux Enterprise Server v11 for System z STIG: GEN004930 (in versions v1 r12 through v1 r9)

Title

The ftpusers file must be group-owned by root, bin, sys, or system. (Cat II impact)

Discussion

If the ftpusers file is not group-owned by root or a system group, an unauthorized user may modify the file to allow unauthorized accounts to use FTP.

Check Content

Check the group ownership of the ftpusers file. Procedure: # ls -lL /etc/ftpusers /etc/vsftpd.ftpusers /etc/vsftpd/ftpusers If the file is not group-owned by root, bin, sys, or system, this is a finding.

Fix Text

Change the group owner of the ftpusers file. Procedure: # chgrp root /etc/ftpusers /etc/vsftpd.ftpusers /etc/vsftpd/ftpusers

Additional Identifiers

Rule ID: SV-45882r1_rule

Vulnerability ID: V-22444

Group Title: GEN004930

Expert Comments

Expert comments are only available to logged-in users.

CCIs

CCIs tied to check.

Number	Definition
CCI-000225	Employ the principle of least privilege, allowing only authorized accesses for users (or processes acting on behalf of users) which are necessary to accomplish assigned organizational tasks.

Controls

Controls tied to check. These are derived from the CCIs shown above.

Number	Title
AC-6	Least Privilege