Detections
Analytics
ESXI-67-000028 - 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_6-7_Y23M07_STIG.zip
Item Details
Audit Name: DISA STIG VMware vSphere 6.7 ESXi OS v1r3
Category: CONFIGURATION MANAGEMENT
References: 800-53|CM-6b., CAT|II, CCI|CCI-000366, Rule-ID|SV-239283r674778_rule, STIG-ID|ESXI-67-000028, Vuln-ID|V-239283
Plugin: Unix
Control ID: 0703707f60e95880753a41b4bd7b228dc5dfbd9368ec348ba6414a6eac4f2478