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Lambda permission has wildcard principal Affecting Lambda service in AWS

Severity

0.0
medium
0
10
    Severity Framework
    Snyk CCSS
    Rule category
    IAM / Access Control

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    Frameworks
    AWS-Well-Architected CSA-CCM SOC-2
  • Snyk ID SNYK-CC-00214
  • credit Snyk Research Team
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Description

Lambda function policies should not allow global access. Publicly accessible Lambda functions may be runnable by anyone and could drive up your costs, disrupt your services, or leak your data.

How to fix?

In aws_lambda_permission, remove wildcard * from Principal.