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Cis Azure Compute 2.2.2

DevOps & Security
cis-azure-compute-2.2.2

Cis Azure Compute 2.2.2 is an Agent Skill for devops & security published in the CyberStrikeus/CyberStrike repository on GitHub: a SKILL.md instruction file an AI agent can load to do this task.

Ensure 'Python version' is currently supported (if in use)

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  2. Copy and paste the prompt below.
  3. Review files and risks before approving any action.
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Inspect the Agent Skill at https://github.com/CyberStrikeus/CyberStrike/blob/HEAD/.cyberstrike/skill/CIS_benchmarks/Cloud_Providers/Microsoft_Azure/CIS_Microsoft_Azure_Compute_Services_Benchmark_v2.0.0/cis-azure-compute-2.2.2/SKILL.md and all supporting files. Report provenance, permissions, scripts, dependencies, and security risks. Propose an exact installation into .agents/skills/cis-azure-compute-2-2-2, but wait for my approval before writing files or running scripts.

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Ensure 'Python version' is currently supported (if in use)

Description

Periodically, older versions of Python may be deprecated and no longer supported. Using a supported version of Python for App Service deployment slots is recommended to avoid potential unpatched vulnerabilities.

Rationale

Deprecated and unsupported versions of programming and scripting languages can present vulnerabilities which may not be addressed or may not be addressable.

Impact

If your app is written using version-dependent features or libraries, they may not be available on more recent versions. If you wish to update, research the impact thoroughly.

Audit Procedure

Take note of the currently supported versions (given a status of "security") of Python here: https://devguide.python.org/versions/

Using Azure Portal

  1. Go to App Services.
  2. Click the name of an app.
  3. Under Deployment, click Deployment slots.
  4. Click the name of a deployment slot.
  5. Under Settings, click Configuration.
  6. In the General settings pane, ensure that for a Stack of Python, the Major version and Minor version reflect a currently supported release.
  7. Repeat steps 1-6 for each app and deployment slot.

Using Azure CLI

Run the following command to list apps:

az webapp list

For each app, run the following command to list deployment slots:

az webapp deployment slot list --resource-group <resource-group-name> --name <app-name>

For each deployment slot, run the following command to get the Python version:

az resource show --name web --resource-group <resource-group-name> --namespace Microsoft.Web --resource-type config --parent sites/<app-name>/slots/<deployment-slot-name> --query properties.[linuxFxVersion,pythonVersion,windowsFxVersion]

If Python is in use, ensure the version is currently supported.

Expected Result

The Python version configured for the deployment slot should be a currently supported release as listed on the Python Developer's Guide versions page with a status of "security" or higher.

Remediation

Note: No action is required if Python is not in use.

Using Azure Portal

  1. Go to App Services.
  2. Click the name of an app.
  3. Under Deployment, click Deployment slots.
  4. Click the name of a deployment slot.
  5. Under Settings, click Configuration.
  6. In the General settings pane, for a Stack of Python, set the Major version and Minor version to a currently supported release.
  7. Click Save.
  8. Click Continue.
  9. Repeat steps 1-8 for each app and deployment slot requiring remediation.

Using Azure CLI

Run the following command to list supported runtimes:

az webapp list-runtimes

For each deployment slot requiring remediation, run the following command with the appropriate parameters to update the Python version:

az resource update --name web --resource-group <resource-group-name> --namespace Microsoft.Web --resource-type config --parent sites/<app-name>/slots/<deployment-slot-name> --set properties.[linuxFxVersion|windowsFxVersion]="PYTHON|<python-version>"

Default Value

The version is selected during creation.

References

  1. https://learn.microsoft.com/en-us/azure/app-service/configure-common#configure-language-stack-settings
  2. https://learn.microsoft.com/en-us/security/benchmark/azure/security-controls-v3-posture-vulnerability-management#pv-7-rapidly-and-automatically-remediate-software-vulnerabilities
  3. https://learn.microsoft.com/en-us/security/benchmark/azure/security-controls-v3-posture-vulnerability-management#pv-3-establish-secure-configurations-for-compute-resources
  4. https://devguide.python.org/versions/
  5. https://learn.microsoft.com/en-us/cli/azure/webapp
  6. https://learn.microsoft.com/en-us/cli/azure/resource

Profile

Level 1 | Manual