CVE-2019-25334
📋 TL;DR
CVE-2019-25334 is a local denial-of-service vulnerability in Product Key Explorer 4.2.0.0 where attackers can crash the application by pasting specially crafted text into the registration name field. This affects users running the vulnerable version of the software. The vulnerability requires local access to the system.
💻 Affected Systems
- Product Key Explorer
⚠️ 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
Application crashes and becomes unavailable until restarted, potentially disrupting legitimate users who rely on the software for license management.
Likely Case
Local users with malicious intent cause application crashes, creating temporary denial of service for legitimate users.
If Mitigated
Minimal impact if proper input validation is implemented or if the application is not mission-critical.
🎯 Exploit Status
Exploit requires local access to the application interface and ability to paste text into the registration field.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Later versions (check vendor for specific fixed version)
Vendor Advisory: http://www.nsauditor.com
Restart Required: Yes
Instructions:
1. Visit http://www.nsauditor.com
2. Download latest version of Product Key Explorer
3. Install the update
4. Restart the application
🔧 Temporary Workarounds
Restrict Application Access
windowsLimit which users can run Product Key Explorer to prevent unauthorized access
Input Validation Script
windowsImplement script to monitor and block excessive input in registration field
🧯 If You Can't Patch
- Uninstall Product Key Explorer if not essential
- Implement application whitelisting to prevent unauthorized execution
🔍 How to Verify
Check if Vulnerable:
Check if running Product Key Explorer version 4.2.0.0 via Help > About menuCheck Version:
Check Help > About menu in Product Key Explorer applicationVerify Fix Applied:
Verify version is updated to a newer release than 4.2.0.0📡 Detection & Monitoring
Log Indicators:
- Application crash logs
- Unexpected termination events in Windows Event Log
Network Indicators:
- No network indicators - local attack only
SIEM Query:
EventID=1000 OR EventID=1001 with process_name='Product Key Explorer'