The SSH daemon must use privilege separation.

From Oracle Linux 5 Security Technical Implementation Guide

Part of GEN005537

Associated with: CCI-000225

SV-64073r1_rule The SSH daemon must use privilege separation.

Vulnerability discussion

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.

Check content

Check the SSH daemon configuration for the UsePrivilegeSeparation setting. # grep -i UsePrivilegeSeparation /etc/ssh/sshd_config | grep -v '^#' If the setting is not present, or not set to "yes", this is a finding.

Fix text

Edit the SSH daemon configuration and add or edit the "UsePrivilegeSeparation" setting value to "yes". Restart the SSH daemon. # /sbin/service sshd restart

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