Detections
Analytics
ESXI-65-000028 - The ESXi host SSH daemon must limit connections to a single session.
Information
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.Solution
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
See Also
https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_VMW_vSphere_6-5_Y21M07_STIG.zip
Item Details
Audit Name: DISA STIG VMware vSphere ESXi OS 6.5 v2r2
Category: ACCESS CONTROL
References: 800-53|AC-10, CAT|II, CCI|CCI-000366, Rule-ID|SV-207629r388482_rule, STIG-ID|ESXI-65-000028, STIG-Legacy|SV-104089, STIG-Legacy|V-94003, Vuln-ID|V-207629
Plugin: Unix
Control ID: 305f69a467582d1a38ab382c62a813d77bffee407afb4044aee896e0e45a4f5f