If sendmail is not required on AIX, the sendmail service must be disabled.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-215353 | AIX7-00-003047 | SV-215353r958478_rule | CCI-000381 | medium |
| Description | ||||
| The sendmail service has many historical vulnerabilities and, where possible, should be disabled. If the system is not required to operate as a mail server i.e. sending, receiving or processing e-mail, disable the sendmail daemon. | ||||
| STIG | Date | |||
| IBM AIX 7.x Security Technical Implementation Guide | 2024-08-16 | |||
Details
Check Text (C-215353r958478_chk)
From the command prompt, execute the following command:
# grep "^start[[:blank:]]/usr/lib/sendmail" /etc/rc.tcpip
If the above command produces any output, this is a finding.
Fix Text (F-16549r294511_fix)
In "/etc/rc.tcpip", comment out the "sendmail" entry by running command:
# chrctcp -d sendmail