> ## Documentation Index
> Fetch the complete documentation index at: https://docs.codeant.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Tainted marshal aws lambda

<AccordionGroup>
  <Accordion title="tainted-marshal-aws-lambda">
    The application may convert user-controlled data into an object, which can lead to an insecure deserialization vulnerability. An attacker can create a malicious serialized object, pass it to the application, and take advantage of the deserialization process to perform Denial-of-service (DoS), Remote code execution (RCE), or bypass access control measures. The `marshal` module is not intended to be secure against erroneous or maliciously constructed data. Never unmarshal data received from an untrusted or unauthenticated source. For deserializing data from untrusted sources we recommend using YAML or JSON libraries with built-in protections, such as json, PyYAML, or ruamel.yaml.<br />**Likelihood**: MEDIUM<br />**Confidence**: HIGH<br />**CWE**: <br />- CWE-502: Deserialization of Untrusted Data
    <br />**OWASP**: <br />- A08:2017 - Insecure Deserialization
    <br />- A08:2021 - Software and Data Integrity Failures
  </Accordion>
</AccordionGroup>