STIGQter: STIG Summary: Oracle Linux 6 Security Technical Implementation Guide Version: 2 Release: 3 Benchmark Date: 23 Apr 2021:

The SSH daemon must not permit user environment settings.

DISA Rule

SV-208928r603263_rule

Vulnerability Number

V-208928

Group Title

SRG-OS-000242

Rule Version

OL6-00-000241

Severity

CAT III

CCI(s)

• CCI-001414 - The information system enforces approved authorizations for controlling the flow of information between interconnected systems based on organization-defined information flow control policies.

Weight

10

Fix Recommendation

To ensure users are not able to present environment options to the SSH daemon, add or correct the following line in "/etc/ssh/sshd_config":

PermitUserEnvironment no

Check Contents

To ensure users are not able to present environment daemons, run the following command:

# grep PermitUserEnvironment /etc/ssh/sshd_config

If properly configured, output should be:

PermitUserEnvironment no

If it is not, this is a finding.

Vulnerability Number

V-208928

Documentable

False

Rule Version

OL6-00-000241

Severity Override Guidance

To ensure users are not able to present environment daemons, run the following command:

# grep PermitUserEnvironment /etc/ssh/sshd_config

If properly configured, output should be:

PermitUserEnvironment no

If it is not, this is a finding.

Check Content Reference

M

Target Key

2928

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