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The SUSE operating system SSH daemon must use privilege separation.


Overview

Finding ID Version Rule ID IA Controls Severity
V-77469 SLES-12-030240 SV-92165r2_rule Medium
Description
SSH daemon privilege separation causes the SSH process to drop root privileges when not needed, which would decrease the impact of software vulnerabilities in the unprivileged section.
STIG Date
SLES 12 Security Technical Implementation Guide 2018-09-27

Details

Check Text ( C-77029r2_chk )
Verify the SUSE operating system SSH daemon is configured to use privilege separation.

Check that the SUSE operating system SSH daemon performs privilege separation with the following command:

# sudo grep -i usepriv /etc/ssh/sshd_config

UsePrivilegeSeparation yes

If the "UsePrivilegeSeparation" keyword is set to "no", is missing, or the returned line is commented out, this is a finding.
Fix Text (F-84111r1_fix)
Configure the SUSE operating system SSH daemon is configured to use privilege separation.

Uncomment the "UsePrivilegeSeparation" keyword in "/etc/ssh/sshd_config" and set the value to "yes":

UsePrivilegeSeparation yes