Changes are coming to https://stigviewer.com.
Take our survey to help us understand your usage and how we can better serve you in the future.
Take Survey
The SSH daemon must be configured to only use the SSHv2 protocol.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-4295 | GEN005500 | SV-63543r1_rule | DCPP-1 ECSC-1 | High |
| Description |
|---|
| SSHv1 is not a DoD-approved protocol and has many well-known vulnerability exploits. Exploits of the SSH daemon could provide immediate root access to the system. |
| STIG | Date |
|---|---|
| Oracle Linux 5 Security Technical Implementation Guide | 2015-03-26 |
Details
| Check Text ( C-52213r1_chk ) |
|---|
| Locate the sshd_config file: # more /etc/ssh/sshd_config Examine the file. If the variables 'Protocol 2,1' or 'Protocol 1' are defined on a line without a leading comment, this is a finding. If the SSH server is F-Secure, the variable name for SSH 1 compatibility is 'Ssh1Compatibility', not 'protocol'. If the variable 'Ssh1Compatiblity' is set to 'yes', then this is a finding. |
| Fix Text (F-54157r2_fix) |
|---|
| Edit the sshd_config file and set the "Protocol" setting to "2". If using the F-Secure SSH server, set the "Ssh1Compatibility" setting to "no". Restart the SSH daemon. # /sbin/service sshd restart |