RHEL 9 must not have the sendmail package installed.

Overview

Finding IDVersionRule IDIA ControlsSeverity
V-257827RHEL-09-215020SV-257827r1044892_ruleCCI-000381medium
Description
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. Satisfies: SRG-OS-000480-GPOS-00227, SRG-OS-000095-GPOS-00049
STIGDate
Red Hat Enterprise Linux 9 Security Technical Implementation Guide2025-05-14

Related Frameworks

3 paths across 3 frameworks
NIST 800-531 mapping
CM-7
1.00
  • DISA · 2 · disa_xccdf · related
  • DISA · 2025-01-23 · disa_cci_list · equivalent
NIST 800-1711 mapping
3.4.6
1.00
  • DISA · 2 · disa_xccdf · related
  • DISA · 2025-01-23 · disa_cci_list · equivalent
  • NIST · Rev 2 (Feb 2020, errata Jan 2021) · nist_800_171_app_d · equivalent
CCI1 mapping
CCI-000381
1.00
  • DISA · 2 · disa_xccdf · related

Details

Check Text (C-257827r1044892_chk)

Verify that the sendmail package is not 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 (F-61492r925467_fix)

Remove the sendmail package with the following command: $ sudo dnf remove sendmail