CVE-2019-12193
📋 TL;DR
This vulnerability allows SQL injection attacks on H3C H3Cloud OS through the ear/grid_event sidx parameter. Attackers can execute arbitrary SQL commands, potentially compromising the entire system. All versions of H3Cloud OS are affected.
💻 Affected Systems
- H3C H3Cloud OS
📦 What is this software?
⚠️ 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 including data theft, data manipulation, privilege escalation, and potential remote code execution.
Likely Case
Database compromise leading to data exfiltration, authentication bypass, and unauthorized access to sensitive information.
If Mitigated
Limited impact if proper input validation and parameterized queries are implemented, restricting SQL command execution.
🎯 Exploit Status
SQL injection via sidx parameter is straightforward; public proof-of-concept exists.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: No official vendor advisory found
Restart Required: No
Instructions:
No official patch available. Check H3C support for updates. Implement input validation and parameterized queries in the application code.
🔧 Temporary Workarounds
Web Application Firewall (WAF)
allDeploy WAF with SQL injection rules to block malicious requests.
Input Validation Filter
allImplement strict input validation for sidx parameter to allow only expected characters.
🧯 If You Can't Patch
- Isolate H3Cloud OS systems from untrusted networks using firewall rules.
- Implement network segmentation to limit access to only necessary users and systems.
🔍 How to Verify
Check if Vulnerable:
Test the ear/grid_event endpoint with SQL injection payloads in the sidx parameter (e.g., ' OR '1'='1).Check Version:
Check H3Cloud OS version via web interface or system documentation.Verify Fix Applied:
Verify that SQL injection attempts no longer succeed and return appropriate error messages.📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in application logs
- Multiple failed login attempts following SQL injection patterns
- Unexpected database errors
Network Indicators:
- HTTP requests containing SQL keywords in sidx parameter
- Unusual outbound database connections
SIEM Query:
web.url:*ear/grid_event* AND (web.param.sidx:*OR* OR web.param.sidx:*UNION* OR web.param.sidx:*SELECT*)