The /etc/ftpaccess.ctl file must be group-owned by bin, sys, or system.

From AIX 6.1 SECURITY TECHNICAL IMPLEMENTATION GUIDE

Part of GEN000000-AIX0330

Associated with IA controls: ECLP-1

Associated with: CCI-000225 CCI-000366

SV-38752r1_rule The /etc/ftpaccess.ctl file must be group-owned by bin, sys, or system.

Vulnerability discussion

If the ftpaccess.ctl file is not group-owned by a system group, an unauthorized user may modify the file to allow unauthorized access to modify the file. Unauthorized modification could result in Denial of Service to authorized FTP users or permit unauthorized access to system information.

Check content

Check the group ownership of the ftpaccess.ctl file. # ls -lL /etc/ftpaccess.ctl If the /etc/ftpaccess.ctl file is not group-owned by bin, sys, or system, this is a finding.

Fix text

Change the group owner of the /etc/ftpaccess.ctl file. # chgrp system /etc/ftpaccess.ctl

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