Gatsby path traversal

Summaryinfo

A vulnerability was found in Gatsby. It has been declared as critical. The impacted element is an unknown function. Such manipulation leads to path traversal. This vulnerability is uniquely identified as CVE-2023-34238. The attack can be launched remotely. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Gatsby (version now known) and classified as critical. Affected by this issue is some unknown processing. The manipulation with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is confidentiality. CVE summarizes:

Gatsby is a free and open source framework based on React. The Gatsby framework prior to versions 4.25.7 and 5.9.1 contain a Local File Inclusion vulnerability in the `__file-code-frame` and `__original-stack-frame` paths, exposed when running the Gatsby develop server (`gatsby develop`). Any file in scope of the development server could potentially be exposed. It should be noted that by default `gatsby develop` is only accessible via the localhost `127.0.0.1`, and one would need to intentionally expose the server to other interfaces to exploit this vulnerability by using server options such as `--host 0.0.0.0`, `-H 0.0.0.0`, or the `GATSBY_HOST=0.0.0.0` environment variable. A patch has been introduced in `[email protected]` and `[email protected]` which mitigates the issue. Users are advised to upgrade. Users unable to upgrade should avoid exposing their development server to the internet.

The weakness was disclosed 06/08/2023 as GHSA-c6f8-8r25-c4gc. The advisory is available at github.com. This vulnerability is handled as CVE-2023-34238 since 05/31/2023. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1006 by the MITRE ATT&CK project.

Upgrading eliminates this vulnerability. Applying the patch ae5a654eb346b2e7a9d341b809b2f82d34c0f17c is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Name

• Gatsby

License

• open-source

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CPE 2.2info

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