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V-271466

CAT II (Medium)

OL 9 must not have the sendmail package installed.

Rule ID

SV-271466r1091110_rule

STIG

Oracle Linux 9 Security Technical Implementation Guide

Version

V1R5

CCIs

CCI-000381

Discussion

The sendmail software was not developed with security in mind, and its design prevents it from being effectively contained by SELinux. Postfix must be used instead.

Check Content

Verify that OL 9 does not have the sendmail package installed with the following command:

$ dnf list --installed sendmail
Error: No matching Packages to list

If the "sendmail" package is installed, this is a finding.

Fix Text

Remove the sendmail package with the following command:

$ sudo dnf remove sendmail