CVE-2024-57081
📋 TL;DR
This CVE describes a prototype pollution vulnerability in underscore-contrib's lib.fromQuery function that allows attackers to manipulate JavaScript object prototypes. When exploited, it can cause Denial of Service (DoS) by crashing the application. This affects any application using underscore-contrib v0.3.0.
💻 Affected Systems
- underscore-contrib
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Complete application crash leading to extended service unavailability, potentially requiring manual intervention to restart services.
Likely Case
Application instability and temporary service disruption until automatic restart mechanisms recover the service.
If Mitigated
Minimal impact with proper input validation and monitoring that detects and blocks malicious payloads before they reach the vulnerable function.
🎯 Exploit Status
Exploitation requires crafting specific payloads to trigger prototype pollution in the fromQuery function.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: v0.3.1 or later
Vendor Advisory: https://gist.github.com/tariqhawis/4b2c7273054f0d70ef162aa5b6daec01
Restart Required: No
Instructions:
1. Update underscore-contrib to v0.3.1 or later using npm update underscore-contrib. 2. Verify the update with npm list underscore-contrib. 3. Test application functionality after update.
🔧 Temporary Workarounds
Input Validation Filter
allImplement strict input validation to reject malformed query strings before they reach the lib.fromQuery function.
🧯 If You Can't Patch
- Implement WAF rules to block suspicious query string patterns that could trigger prototype pollution.
- Monitor application logs for unusual query string patterns and implement rate limiting on affected endpoints.
🔍 How to Verify
Check if Vulnerable:
Check package.json or run npm list underscore-contrib to see if version 0.3.0 is installed.Check Version:
npm list underscore-contribVerify Fix Applied:
Run npm list underscore-contrib and verify version is 0.3.1 or higher.📡 Detection & Monitoring
Log Indicators:
- Application crash logs with stack traces pointing to lib.fromQuery
- Unusual query string patterns in request logs
Network Indicators:
- HTTP requests with unusually long or complex query strings
- Sudden spikes in 500 error responses
SIEM Query:
source="application_logs" AND ("lib.fromQuery" OR "prototype pollution")