CVE-2020-37193
📋 TL;DR
CVE-2020-37193 is a denial of service vulnerability in ZIP Password Recovery 2.30 where attackers can crash the application by providing a specially crafted text file with specific characters. This affects users of ZIP Password Recovery 2.30 who process untrusted ZIP files, potentially disrupting legitimate password recovery operations.
💻 Affected Systems
- ZIP Password Recovery
⚠️ 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 preventing legitimate password recovery operations, potentially disrupting business processes that rely on this tool.
Likely Case
Temporary denial of service where the application crashes when processing malicious ZIP files, requiring restart and potentially losing recovery progress.
If Mitigated
Minimal impact if application is isolated and doesn't process untrusted files, with quick recovery through restart.
🎯 Exploit Status
Exploit requires creating a specially crafted text file with specific characters and convincing a user to select it in the application.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://www.top-password.com/purchase.html
Restart Required: No
Instructions:
No official patch available. Consider upgrading to newer version if available or using alternative software.
🔧 Temporary Workarounds
Input Validation
allAvoid processing untrusted ZIP files with the vulnerable application
Application Isolation
windowsRun the application in isolated environment or sandbox
🧯 If You Can't Patch
- Restrict application usage to trusted personnel only
- Implement strict file validation policies for ZIP files processed by the application
🔍 How to Verify
Check if Vulnerable:
Check application version in Help > About menu. If version is 2.30, it is vulnerable.Check Version:
Check Help > About menu in the applicationVerify Fix Applied:
Verify application version is no longer 2.30. Test with known safe ZIP files to ensure normal operation.📡 Detection & Monitoring
Log Indicators:
- Application crash logs
- Unexpected termination events in Windows Event Viewer
Network Indicators:
- No network indicators - local file processing vulnerability
SIEM Query:
EventID=1000 OR EventID=1001 with process name containing 'ZIP Password Recovery'