CVE-2019-25325
📋 TL;DR
CVE-2019-25325 is an SQL injection vulnerability in Thrive Smart Home 1.1 that allows unauthenticated attackers to bypass authentication by injecting malicious SQL code into the 'user' parameter. This enables unauthorized access to the application without valid credentials. All users running Thrive Smart Home 1.1 are affected.
💻 Affected Systems
- Thrive Smart Home
⚠️ 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 compromise of the smart home system allowing attackers to gain administrative access, manipulate device controls, access sensitive user data, and potentially pivot to other network systems.
Likely Case
Unauthorized access to the smart home application allowing attackers to view and control connected devices, access user information, and potentially modify system settings.
If Mitigated
No impact if proper input validation and parameterized queries are implemented, or if the vulnerable endpoint is properly secured.
🎯 Exploit Status
Multiple public exploit scripts are available, including on Exploit-DB. The attack requires minimal technical skill as it uses basic SQL injection techniques.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: No official vendor advisory found
Restart Required: No
Instructions:
No official patch available. Consider upgrading to a newer version if available, or implement workarounds and security controls.
🔧 Temporary Workarounds
Web Application Firewall (WAF)
allDeploy a WAF with SQL injection protection rules to block malicious payloads targeting the checklogin.php endpoint.
Input Validation Filter
allImplement server-side input validation to reject SQL injection patterns in the 'user' parameter.
🧯 If You Can't Patch
- Isolate the Thrive Smart Home system on a separate network segment with strict access controls
- Implement network-level authentication (VPN, client certificates) before allowing access to the smart home interface
🔍 How to Verify
Check if Vulnerable:
Test the checklogin.php endpoint with SQL injection payloads like ' OR '1'='1 in the 'user' POST parameter and observe if authentication is bypassed.
Check Version:
Check the application version in the web interface or configuration files. For Thrive Smart Home, this is typically displayed in the admin interface.
Verify Fix Applied:
Attempt the same SQL injection test and verify that authentication fails properly and no unauthorized access is granted.
📡 Detection & Monitoring
Log Indicators:
- Multiple failed login attempts with SQL injection patterns in the 'user' field
- Successful logins from unusual IP addresses or at abnormal times
- Log entries showing SQL error messages in authentication logs
Network Indicators:
- HTTP POST requests to /checklogin.php containing SQL keywords like UNION, SELECT, OR 1=1
- Unusual traffic patterns to the smart home web interface
SIEM Query:
source="web_logs" AND (url="/checklogin.php" AND (user="*OR*" OR user="*UNION*" OR user="*SELECT*" OR user="*'*"))
🔗 References
- https://cxsecurity.com/issue/WLB-2020010019
- https://exchange.xforce.ibmcloud.com/vulnerabilities/173728
- https://packetstorm.news/files/id/155797
- https://www.exploit-db.com/exploits/47814
- https://www.vulncheck.com/advisories/thrive-smart-home-smart-home-improper-limitation-o
- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2019-5554.php