The SSH daemon must perform strict mode checking of home directory configuration files.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-39420 | GEN005536-ESXI5-000110 | SV-51278r2_rule | Medium |
| Description |
|---|
| If other users have access to modify user-specific SSH configuration files, they may be able to log into the system as another user. |
| STIG | Date |
|---|---|
| VMware ESXi Server 5.0 Security Technical Implementation Guide | 2017-01-06 |
Details
| Check Text ( C-46694r2_chk ) |
|---|
| Disable lock down mode. Enable the ESXi Shell. Execute the following command(s): # grep StrictModes /etc/ssh/sshd_config If the command returns nothing, or the returned "StrictModes" attribute is set to "no", this is a finding. Re-enable lock down mode. |
| Fix Text (F-44433r2_fix) |
|---|
| Disable lock down mode. Enable the ESXi Shell. Execute the following command(s): # vi /etc/ssh/sshd_config Add/modify the attribute line entry to the following (quotes for emphasis only): "StrictModes yes" Re-enable lock down mode. |