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The SSH daemon must use privilege separation.


Overview

Finding ID Version Rule ID IA Controls Severity
V-22486 GEN005537 SV-40721r1_rule ECLP-1 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
AIX 5.3 SECURITY TECHNICAL IMPLEMENTATION GUIDE 2014-10-03

Details

Check Text ( C-39452r1_chk )
Check the SSH daemon configuration for the UsePrivilegeSeparation setting.

# grep -i UsePrivilegeSeparation /etc/ssh/sshd_config | grep -v '^#'

If the setting is present and set to "no", this is a finding. If the setting is not present or is set to "yes", this is not a finding.
Fix Text (F-34580r1_fix)
Edit the /etc/ssh/sshd_config file and remove the UsePrivilegeSeparation setting or change the value of the UsePrivilegeSeparation setting to "yes".