CVE-2020-37180
📋 TL;DR
CVE-2020-37180 is a denial of service vulnerability in GTalk Password Finder 2.2.1 where attackers can crash the application by supplying an oversized registration key. This affects users of GTalk Password Finder 2.2.1 who have the application installed and accessible.
💻 Affected Systems
- GTalk Password Finder
⚠️ 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 making the password recovery tool unavailable, potentially disrupting legitimate password recovery operations.
Likely Case
Temporary denial of service where the application crashes and requires restart, causing minor disruption to users.
If Mitigated
No impact if application is not installed or if input validation prevents oversized keys.
🎯 Exploit Status
Exploit requires direct access to the application's registration key input field. Public exploit code is available showing a 1000-character payload triggers the crash.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: http://www.nsauditor.com/
Restart Required: No
Instructions:
No official patch available. Consider upgrading to a newer version if available or discontinuing use of the vulnerable version.
🔧 Temporary Workarounds
Input Validation Implementation
allImplement input validation to restrict registration key length to reasonable limits
Not applicable - requires code modification
Application Isolation
windowsRun the application in isolated environments or with restricted user access
Not applicable - configuration change
🧯 If You Can't Patch
- Discontinue use of GTalk Password Finder 2.2.1 and switch to alternative password recovery tools
- Restrict access to the application to trusted users only and monitor for crash events
🔍 How to Verify
Check if Vulnerable:
Check if GTalk Password Finder version 2.2.1 is installed on the systemCheck Version:
Check application properties or About dialog in GTalk Password FinderVerify Fix Applied:
Test by attempting to input a 1000-character registration key - application should not crash with proper input validation📡 Detection & Monitoring
Log Indicators:
- Application crash logs, unexpected termination events for GTalk Password Finder process
Network Indicators:
- None - this is a local application vulnerability
SIEM Query:
EventID: 1000 OR EventID: 1001 WHERE ProcessName contains 'GTalk' OR 'Password Finder'