The Red Hat Enterprise Linux operating system must be configured so that the SSH daemon uses privilege separation.
An XCCDF Rule
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.
- ID
- SV-204601r603261_rule
- Version
- RHEL-07-040460
- Severity
- Medium
- References
- Updated
Remediation Templates
A Manual Procedure
Uncomment the "UsePrivilegeSeparation" keyword in "/etc/ssh/sshd_config" (this file may be named differently or be in a different location if using a version of SSH that is provided by a third-party vendor) and set the value to "sandbox" or "yes":
UsePrivilegeSeparation sandbox
The SSH service must be restarted for changes to take effect.