Finding ID | Version | Rule ID | IA Controls | Severity |
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V-94003 | ESXI-65-000028 | SV-104089r1_rule | Medium |
Description |
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The SSH protocol has the ability to provide multiple sessions over a single connection without reauthentication. A compromised client could use this feature to establish additional sessions to a system without consent or knowledge of the user. |
STIG | Date |
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VMware vSphere 6.5 ESXi Security Technical Implementation Guide | 2019-10-01 |
Check Text ( C-93321r1_chk ) |
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From an SSH session connected to the ESXi host, or from the ESXi shell, run the following command: # grep -i "^MaxSessions" /etc/ssh/sshd_config If there is no output or the output is not exactly "MaxSessions 1", this is a finding. |
Fix Text (F-100251r1_fix) |
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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": MaxSessions 1 |