Details
SSH trust relationships mean a compromise on one host can allow an attacker to move trivially to other hosts.
Solution
SSH's cryptographic host-based authentication is more secure than '.rhosts' authentication, since hosts are cryptographically authenticated. However, it is not recommended that hosts unilaterally trust one another, even within an organization.
Add or correct the following line in '/etc/ssh/sshd_config':
HostbasedAuthentication no
Supportive Information
The following resource is also helpful.
This security hardening control applies to the following category of controls within NIST 800-53: Configuration Management.This control applies to the following type of system Unix.
References
- 800-53|CM-6b.
- CAT|II
- CCI|CCI-000366
- Group-ID|V-63195
- Rule-ID|SV-77685r1_rule
- STIG-ID|ESXI-06-000013
- Vuln-ID|V-63195
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