CVE-2024-57064
📋 TL;DR
A prototype pollution vulnerability in the lib.setValue function of @syncfusion/ej2-spreadsheet version 27.2.2 allows attackers to cause Denial of Service (DoS) by sending specially crafted payloads. This affects applications using this specific version of the Syncfusion spreadsheet component. The vendor disputes the vulnerability, claiming the affected function is not utilized.
💻 Affected Systems
- @syncfusion/ej2-spreadsheet
⚠️ 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 unavailability due to DoS, potentially affecting all users and disrupting business operations.
Likely Case
Application instability or crashes when processing malicious spreadsheet data, leading to partial service disruption.
If Mitigated
Minimal impact if input validation and proper security controls prevent malicious payloads from reaching the vulnerable function.
🎯 Exploit Status
Exploitation requires ability to supply crafted payloads to the vulnerable function. No public exploit code available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check for updates beyond 27.2.2
Vendor Advisory: No specific advisory found - check Syncfusion security updates
Restart Required: No
Instructions:
1. Update @syncfusion/ej2-spreadsheet to latest version. 2. Run npm update @syncfusion/ej2-spreadsheet. 3. Test application functionality with updated package.
🔧 Temporary Workarounds
Input Validation
allImplement strict input validation for all spreadsheet data inputs to prevent malicious payloads.
Disable Vulnerable Function
allIf possible, disable or restrict usage of lib.setValue function in application code.
🧯 If You Can't Patch
- Implement WAF rules to block suspicious spreadsheet payload patterns
- Isolate spreadsheet processing to separate, monitored environments
🔍 How to Verify
Check if Vulnerable:
Check package.json for @syncfusion/ej2-spreadsheet version 27.2.2. Review code for usage of lib.setValue function.Check Version:
npm list @syncfusion/ej2-spreadsheetVerify Fix Applied:
Verify package version is updated beyond 27.2.2. Test spreadsheet functionality with various inputs.📡 Detection & Monitoring
Log Indicators:
- Application crashes or abnormal termination when processing spreadsheets
- High memory or CPU usage spikes during spreadsheet operations
Network Indicators:
- Unusually large or malformed spreadsheet file uploads
SIEM Query:
source="application_logs" AND ("crash" OR "terminated" OR "out of memory") AND "spreadsheet"