STIGQter STIGQter: STIG Summary: Tanium 7.x Application on TanOS Security Technical Implementation Guide Version: 2 Release: 2 Benchmark Date: 02 Apr 2025:

The Tanium Server and Client applications must have logging enabled.

DISA Rule

SV-254918r961125_rule

Vulnerability Number

V-254918

Group Title

SRG-APP-000226

Rule Version

TANS-AP-000600

Severity

CAT II

CCI(s)

Weight

10

Fix Recommendation

Tanium Server:

1. Using a web browser on a system that has connectivity to the Tanium Application, access the Tanium Application web user interface (UI) and log on with multi-factor authentication.

2. Click "Administration" on the top navigation banner.

3. Under "Configuration," select "Common".

4. Select "Log Level".

5. In "Log Verbosity Level for Troubleshooting," verify current level for "Tanium Server" is set.

Tanium Client:

1. Using a web browser on a system that has connectivity to the Tanium Application, access the Tanium Application web user interface (UI) and log on with multi-factor authentication.

2. Click "Modules" on the top navigation banner.

3. Click "Interact".

4. In the "Explore Data" box, type the following question:
4A. Get Tanium Client Explicit Setting[LogVerbosityLevel] < 1 and Is Windows from all machines with Tanium Client Explicit Setting[LogVerbosityLevel] < 1

5. Select the row with "Is windows" set to "True" and deploy the following action and settings:
a) Deployment Package: Modify Tanium Client Setting
b) RegType: REG_DWORD
c) ValueName: LogVerbosityLevel
d) ValueData: 1 or higher

Schedule Deployment
a) Distribute over: 1 hour

6. Click "Show Preview to continue".

7. Click "Deploy Action".

8. Select the row with "Is windows" set to "False" and deploy the following action and settings:
a) Deployment Package: Modify Tanium Client Setting [Non-Windows]
b) RegType: NUMERIC
c) ValueName: LogVerbosityLevel
d) ValueData: 1 or higher

Schedule Deployment
a) Distribute over: 1 hour

9. Click "Show Preview to continue".

10. Click "Deploy Action".

Check Contents

Tanium Server:

1. Using a web browser on a system that has connectivity to the Tanium Application, access the Tanium Application web user interface (UI) and log on with multi-factor authentication.

2. Click "Administration" on the top navigation banner.

3. Under "Configuration," select "Common".

4. Select "Log Level".

5. In "Log Verbosity Level for Troubleshooting," verify current level for "Tanium Server" is set.

If the value for current level for "Tanium Server" is not set to "1" or higher this is a finding.

Tanium Client:

1. Using a web browser on a system that has connectivity to the Tanium Application, access the Tanium Application web user interface (UI) and log on with multi-factor authentication.

2. Click "Modules" on the top navigation banner.

3. Click "Interact".

4. In the "Explore Data" box, type the following question:

4A. Get Tanium Client Explicit Setting[LogVerbosityLevel] < 1 and Is Windows from all machines with Tanium Client Explicit Setting[LogVerbosityLevel] < 1

Note: For VDI systems, follow vendor guidance: https://docs.tanium.com/client/client/os_imaging.html#VDI

If there are any answers returned that are "0" this is a finding.

Vulnerability Number

V-254918

Documentable

False

Rule Version

TANS-AP-000600

Severity Override Guidance

Tanium Server:

1. Using a web browser on a system that has connectivity to the Tanium Application, access the Tanium Application web user interface (UI) and log on with multi-factor authentication.

2. Click "Administration" on the top navigation banner.

3. Under "Configuration," select "Common".

4. Select "Log Level".

5. In "Log Verbosity Level for Troubleshooting," verify current level for "Tanium Server" is set.

If the value for current level for "Tanium Server" is not set to "1" or higher this is a finding.

Tanium Client:

1. Using a web browser on a system that has connectivity to the Tanium Application, access the Tanium Application web user interface (UI) and log on with multi-factor authentication.

2. Click "Modules" on the top navigation banner.

3. Click "Interact".

4. In the "Explore Data" box, type the following question:

4A. Get Tanium Client Explicit Setting[LogVerbosityLevel] < 1 and Is Windows from all machines with Tanium Client Explicit Setting[LogVerbosityLevel] < 1

Note: For VDI systems, follow vendor guidance: https://docs.tanium.com/client/client/os_imaging.html#VDI

If there are any answers returned that are "0" this is a finding.

Check Content Reference

M

Target Key

5492