Title

The system syslog service must log informational and more severe SMTP service messages. (Cat II impact)

Discussion

If informational and more severe SMTP service messages are not logged, malicious activity on the system may go unnoticed.

Check Content

Check the syslog configuration file for mail.crit logging configuration. Procedure: # more /etc/syslog.conf Verify a line similar to one of the following lines is present in syslog.conf is configured so that critical mail log data is logged. (Critical log data may also be captured by a remote log host in accordance with GEN005460.) mail.crit /var/adm/messages *.crit /var/log/messages Less severe syslog levels (err, warning, info, and debug) may be substituted for crit, since they will also capture crit level syslog messages. If syslog is not configured to log critical Sendmail messages, this is a finding.

Fix Text

Edit the syslog.conf file and add a configuration line specifying an appropriate destination for mail.crit syslogs.

Additional Identifiers

Rule ID: SV-227844r603266_rule

Vulnerability ID: V-227844

Group Title: SRG-OS-000062

Expert Comments

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