Title

Sendmail logging must not be set to less than 9 in the sendmail.cf file. (Cat III impact)

Discussion

If Sendmail is not configured to log at level 9, system logs may not contain the information necessary for tracking unauthorized use of the sendmail service.

Check Content

The sendmail.cf log level option line will typically appear as follows: O LogLevel=N Check if Sendmail logging is set to level 9 via the following command: # cat /etc/mail/sendmail.cf | tr '\011' ' ' | tr -s ' ' | sed -e 's/^[ \t]*//' | grep -v "^#" | \ grep -i loglevel | tr '\011' ' ' | tr -d ' ' | cut -f 2,2 -d "=" If logging is not set, i.e., line is missing or commented, this is a finding. If logging is set to less than 9, this is a finding.

Fix Text

Edit the sendmail.cf file, locate the entry (and where necessary uncomment it and/or create it) and modify/set it to 9.

Additional Identifiers

Rule ID: SV-35047r1_rule

Vulnerability ID: V-835

Group Title: GEN004440

Expert Comments

CCIs tied to check.

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