Listen to this Post
How the CVE Works
The vulnerability in `[email protected]` (used by [email protected]) stems from its use of `Math.random()` to generate multipart boundary strings. This method produces predictable values, allowing attackers to guess or manipulate boundaries in HTTP requests. Exploiting this flaw enables HTTP parameter pollution or injection attacks, potentially disrupting request parsing or injecting malicious parameters. The issue was addressed in later versions of `form-data` by replacing `Math.random()` with a cryptographically secure alternative.
DailyCVE Form
Platform: Node.js
Version: form-data <4.0.4
Vulnerability: Predictable Boundary
Severity: Critical
Date: 2025-07-25
Prediction: Patch expected by 2025-08-10
What Undercode Say
npm install [email protected] snyk test
const FormData = require('form-data');
const form = new FormData();
// Predictable boundary generation
How Exploit
- Predict boundary via `Math.random()`
– Manipulate multipart requests - Inject malicious parameters
Protection from this CVE
- Upgrade `form-data` to ≥4.0.4
- Use `axios` with secure dependencies
Impact
- HTTP parameter pollution
- Backend deserialization exploits
- Request parsing interference
Sources:
Reported By: github.com
Extra Source Hub:
Undercode
