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CloudSploit

AWS / Lambda / Lambda Old Runtimes

Quick Info
Plugin Title Lambda Old Runtimes
Cloud AWS
Category Lambda
Description Ensures Lambda functions are not using out-of-date runtime environments.
More Info Lambda runtimes should be kept current with recent versions of the underlying codebase. Deprecated runtimes should not be used.
AWS Link http://docs.aws.amazon.com/lambda/latest/dg/current-supported-versions.html
Recommended Action Upgrade the Lambda function runtime to use a more current version.

Detailed Remediation Steps

  1. Log into the AWS Management Console.
  2. Select the "Services" option and search for Lambda.
  3. Scroll down the left navigation panel and choose "Functions".
  4. Select the Lambda function that needs to be verified from "Functions name".
  5. On the "Lambda Functions" page scroll down and choose "Code" tab.
  6. On the "Code" tab scroll down to check for "Runtime settings".
  7. To update the "Runtime settings" click on "Edit".
  8. On the "Edit runtime settings" open the "Runtime" dropdown.
  9. From the "Runtime" dropdown verify that the function is using the latest version of runtime environment.
  10. If the "Runtime" is not at the latest version then select the latest version from the "Runtime" environment for the selected "Lambda function" and click on the "Save" button at the bottom.
  11. Repeat step number 4 - 10 to modify "Runtime" environment for other "Lambda functions" in the selected region.