What is the severity of CVE-2025-3048?

CVE-2025-3048 is classified as a medium severity vulnerability.

What type of vulnerability is CVE-2025-3048?

CVE-2025-3048 is a vulnerability related to improper handling of symlinks in the AWS Serverless Application Model Command Line Interface.

Can CVE-2025-3048 expose sensitive data?

Yes, CVE-2025-3048 can lead to unauthorized access to sensitive data due to improper caching of symlink contents.

Vulnerability/
CVE-2025-3048

medium

6.9

CWE

22 497

31/3/2025

CVE-2025-3048: Path Traversal in AWS SAM CLI allows file copy to local cache

Q: What software versions are affected by CVE-2025-3048?

CVE-2025-3048 affects versions of AWS Serverless Application Model Command Line Interface up to but not including 1.134.0.

Q: How do I fix CVE-2025-3048?

To fix CVE-2025-3048, upgrade your AWS Serverless Application Model Command Line Interface to version 1.134.0 or later.

First published: Mon Mar 31 2025(Updated: )

After completing a build with AWS Serverless Application Model Command Line Interface (SAM CLI) which include symlinks, the content of those symlinks are copied to the cache of the local workspace as regular files or directories. As a result, a user who does not have access to those symlinks outside of the Docker container would now have access via the local workspace. Users should upgrade to version 1.134.0 and ensure any forked or derivative code is patched to incorporate the new fixes. After upgrading, users must re-build their applications using the sam build --use-container to update the symlinks.

Credit: ff89ba41-3aa1-4d27-914a-91399e9639e5

Affected Software	Affected Version	How to fix
AWS Serverless Application Model CLI	<1.134.0

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Frequently Asked Questions

What is the severity of CVE-2025-3048?
CVE-2025-3048 is classified as a medium severity vulnerability.
What software versions are affected by CVE-2025-3048?
CVE-2025-3048 affects versions of AWS Serverless Application Model Command Line Interface up to but not including 1.134.0.
How do I fix CVE-2025-3048?
To fix CVE-2025-3048, upgrade your AWS Serverless Application Model Command Line Interface to version 1.134.0 or later.
What type of vulnerability is CVE-2025-3048?
CVE-2025-3048 is a vulnerability related to improper handling of symlinks in the AWS Serverless Application Model Command Line Interface.
Can CVE-2025-3048 expose sensitive data?
Yes, CVE-2025-3048 can lead to unauthorized access to sensitive data due to improper caching of symlink contents.

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