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The ESXi host SSH daemon must not permit GSSAPI authentication.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-93983 | ESXI-65-000018 | SV-104069r1_rule | Low |
| Description |
|---|
| GSSAPI authentication is used to provide additional authentication mechanisms to applications. Allowing GSSAPI authentication through SSH exposes the system’s GSSAPI to remote hosts, increasing the attack surface of the system. |
| STIG | Date |
|---|---|
| VMware vSphere 6.5 ESXi Security Technical Implementation Guide | 2019-10-01 |
Details
| Check Text ( C-93301r1_chk ) |
|---|
| From an SSH session connected to the ESXi host, or from the ESXi shell, run the following command: # grep -i "^GSSAPIAuthentication" /etc/ssh/sshd_config If there is no output or the output is not exactly "GSSAPIAuthentication no", this is a finding. |
| Fix Text (F-100231r1_fix) |
|---|
| From an SSH session connected to the ESXi host, or from the ESXi shell, add or correct the following line in "/etc/ssh/sshd_config": GSSAPIAuthentication no |