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Check: GEN004480

AIX 6.1 SECURITY TECHNICAL IMPLEMENTATION GUIDE: GEN004480 (in versions v1 r14 through v1 r10)

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/syslog.conf Identify any log files configured for the mail service at any severity level, or those configured for all services. Check the ownership of these log files. 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. # chown root <sendmail log file>

Additional Identifiers

Rule ID: SV-837r2_rule

Vulnerability ID: V-837

Group Title: GEN004480

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