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Severity : Medium

Description:

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This control ensures that Lambda function is using the latest Runtime version and evaluates the latest version of lambda function i.e $LATEST version. Using the latest runtime ensure that the identified vulnerabilities and bugs from the obsolete versions have been patched.

Remediation Steps:

Perform following to update lambda function runtime configuration:

1. Login to the AWS Management Console at https://console.aws.amazon.com.

2. Navigate to AWS Lambda console.

3. In the navigation pane,  select Functions.

4. Click on the function to be modified.

5. Under Function Code, choose the latest runtime as per the function implementation.

6. Click Save changes to apply.

Important:

Check the compatibility of latest runtime version as it may affect the execution or performance of the Lambda function.

Reference:

• https://docs.aws.amazon.com/lambda/latest/dg/lambda-runtimes.html

• https://docs.aws.amazon.com/lambda/latest/dg/runtime-support-policy.html