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_Y20M04_STIG.zip
Item Details
Audit Name: DISA STIG VMware vSphere ESXi OS 6.5 v1r4
Category: ACCESS CONTROL
References: 800-53|AC-10, CAT|II, CCI|CCI-000366, Rule-ID|SV-104089r1_rule, STIG-ID|ESXI-65-000028, Vuln-ID|V-94003
Plugin: Unix
Control ID: cc27a0285b2410d66343d97cb264b34c92c0c3cd88f6f40f956a58ec342dea8b