CVE-2021-47774
📋 TL;DR
Kingdia CD Extractor 3.0.2 contains a critical buffer overflow vulnerability in its registration name field that allows remote attackers to execute arbitrary code on affected systems. Attackers can craft malicious payloads exceeding 256 bytes to overwrite the Structured Exception Handler and gain remote code execution through a bind shell. This affects all users running the vulnerable version of Kingdia CD Extractor.
💻 Affected Systems
- Kingdia CD Extractor
⚠️ 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 system compromise with remote code execution, allowing attackers to install malware, steal data, pivot to other systems, or establish persistent backdoors.
Likely Case
Remote code execution leading to system compromise, data theft, or ransomware deployment on vulnerable systems.
If Mitigated
Limited impact if proper network segmentation, application whitelisting, and least privilege principles are implemented.
🎯 Exploit Status
Public exploit code is available on Exploit-DB (ID: 50470), making this easily weaponizable by attackers.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://kingdia-cd-extractor.informer.com/
Restart Required: No
Instructions:
1. Check vendor website for updated version. 2. If no patch available, uninstall Kingdia CD Extractor 3.0.2. 3. Replace with alternative software if CD extraction functionality is required.
🔧 Temporary Workarounds
Uninstall Vulnerable Software
windowsRemove Kingdia CD Extractor 3.0.2 from all systems
Control Panel > Programs > Uninstall a program > Select Kingdia CD Extractor > Uninstall
Network Segmentation
allIsolate systems running Kingdia CD Extractor from critical networks
🧯 If You Can't Patch
- Implement application whitelisting to prevent execution of Kingdia CD Extractor
- Deploy endpoint detection and response (EDR) solutions with behavioral monitoring for exploit attempts
🔍 How to Verify
Check if Vulnerable:
Check installed programs for Kingdia CD Extractor version 3.0.2 via Control Panel or 'wmic product get name,version' commandCheck Version:
wmic product where "name like '%Kingdia CD Extractor%'" get name,versionVerify Fix Applied:
Verify Kingdia CD Extractor 3.0.2 is no longer installed on the system📡 Detection & Monitoring
Log Indicators:
- Process creation events for Kingdia CD Extractor with abnormal parameters
- Network connections from Kingdia CD Extractor to unusual ports
Network Indicators:
- Unusual outbound connections from systems running Kingdia CD Extractor
- Traffic patterns matching exploit payloads
SIEM Query:
process_name:"Kingdia CD Extractor.exe" AND (process_args_length:>256 OR network_connection:*)