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Check: GEN004480

SUSE Linux Enterprise Server v11 for System z STIG: GEN004480 (in versions v1 r12 through v1 r9)

Title

The SMTP service log file must be owned by root. (Cat II impact)

Discussion

If the SMTP service log file is not owned by root, then unauthorized personnel may modify or delete the file to hide a system compromise.

Check Content

Locate any mail log files by checking the syslog configuration file. Procedure: # more /etc/rsyslog.conf The check procedure is the same for both sendmail and Postfix. Identify any log files configured for the "mail" service (excluding mail.none) at any severity level and check the ownership Procedure: # ls -lL <file location> If any mail log file is not owned by root, this is a finding.

Fix Text

Change the ownership of the sendmail log file. Procedure: The fix procedure is the same for both sendmail and Postfix. # chown root <sendmail log file>

Additional Identifiers

Rule ID: SV-45859r1_rule

Vulnerability ID: V-837

Group Title: GEN004480

Expert Comments

Expert comments are only available to logged-in users.

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