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Check: GEN005537

VMware ESX 3 Server: GEN005537 (in version v1 r2)

Title

The SSH daemon must use privilege separation. (Cat II impact)

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.

Additional Identifiers

Rule ID: SV-26782r1_rule

Vulnerability ID: V-22486

Group Title: GEN005537

Expert Comments

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CCIs

CCIs tied to check.
Number Definition
CCI-000225

The organization employs the concept of least privilege, allowing only authorized accesses for users (and processes acting on behalf of users) which are necessary to accomplish assigned tasks in accordance with organizational missions and business functions.

Controls

Controls tied to check. These are derived from the CCIs shown above.
Number Title
AC-6

Least Privilege