CVE-2023-22474: Parse Server is vulnerable to authentication bypass via spoofing
First published: Fri Feb 03 2023(Updated: )
Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Parse Server uses the request header `x-forwarded-for` to determine the client IP address. If Parse Server doesn't run behind a proxy server, then a client can set this header and Parse Server will trust the value of the header. The incorrect client IP address will be used by various features in Parse Server. This allows to circumvent the security mechanism of the Parse Server option `masterKeyIps` by setting an allowed IP address as the `x-forwarded-for` header value. This issue has been patched in version 5.4.1. The mechanism to determine the client IP address has been rewritten. The correct IP address determination now requires to set the Parse Server option `trustProxy`.
Credit: security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Parse Platform Parse Server | <5.4.1 |
Remedy
https://github.com/parse-community/parse-server/commit/e016d813e083ce6828f9abce245d15b681a224d8
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Reference Links
Frequently Asked Questions
What is CVE-2023-22474?
CVE-2023-22474 is a vulnerability in Parse Server that allows a client to set the 'x-forwarded-for' header and determine the client IP address.
What is the severity of CVE-2023-22474?
CVE-2023-22474 has a severity rating of 8.1 (high).
How does CVE-2023-22474 affect Parse Server?
CVE-2023-22474 affects Parse Server versions up to and excluding 5.4.1.
How do I fix CVE-2023-22474?
To fix CVE-2023-22474, update Parse Server to a version equal to or higher than 5.4.1.
Where can I find more information about CVE-2023-22474?
You can find more information about CVE-2023-22474 in the following references: [Reference 1](https://github.com/parse-community/parse-server/commit/e016d813e083ce6828f9abce245d15b681a224d8), [Reference 2](https://github.com/parse-community/parse-server/security/advisories/GHSA-vm5r-c87r-pf6x).
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