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The SSH daemon must not accept environment variables from the client.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-63217 | ESXI-06-000024 | SV-77707r1_rule | Medium |
| Description |
|---|
| Environment variables can be used to change the behavior of remote sessions and should be limited. Locate environment variables that specify the language, character set, and other features modifying the operation of software to match the user's preferences. |
| STIG | Date |
|---|---|
| VMware vSphere ESXi 6.0 Security Technical Implementation Guide | 2017-07-11 |
Details
| Check Text ( C-63951r1_chk ) |
|---|
| To verify the AcceptEnv setting, run the following command: # grep -i "^AcceptEnv" /etc/ssh/sshd_config If there is no output or the output is not exactly "AcceptEnv", this is a finding. |
| Fix Text (F-69135r1_fix) |
|---|
| To set the AcceptEnv setting, add or correct the following line in "/etc/ssh/sshd_config": AcceptEnv |