CVE-2025-3047

Summary

When running the AWS Serverless Application Model Command Line Interface (SAM CLI) build process with Docker and symlinks are included in the build files, the container environment allows a user to access privileged files on the host by leveraging the elevated permissions granted to the tool. A user could leverage the elevated permissions to access restricted files via symlinks and copy them to a more permissive location on the container.

Users should upgrade to v1.133.0 or newer and ensure any forked or derivative code is patched to incorporate the new fixes.

Affected Software

Weaknesses

• CWE-61: CWE-61: UNIX Symbolic Link (Symlink) Following

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

References

• https://aws.amazon.com/security/security-bulletins/AWS-2025-008/
• https://github.com/aws/aws-sam-cli/security/advisories/GHSA-px37-jpqx-97q9
• https://github.com/aws/aws-sam-cli/releases/tag/v1.134.0

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