CVE-2024-47926
📋 TL;DR
CVE-2024-47926 is a critical SQL injection vulnerability in Tecnick TCExam that allows attackers to execute arbitrary SQL commands. This affects all TCExam installations with vulnerable code paths, potentially compromising the entire database and application. Organizations using TCExam for online assessments are at risk.
💻 Affected Systems
- Tecnick TCExam
⚠️ 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 database compromise leading to data theft, data manipulation, authentication bypass, and potential remote code execution through database functions.
Likely Case
Unauthorized access to sensitive exam data, student information, and administrative credentials stored in the database.
If Mitigated
Limited impact with proper input validation and parameterized queries preventing successful exploitation.
🎯 Exploit Status
SQL injection vulnerabilities typically have low exploitation complexity, especially when unauthenticated access is possible.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check official Tecnick TCExam security advisory for specific patched version
Vendor Advisory: https://www.gov.il/en/Departments/faq/cve_advisories
Restart Required: No
Instructions:
1. Check the official advisory for patched version. 2. Backup your TCExam installation and database. 3. Update to the patched version. 4. Test functionality after update.
🔧 Temporary Workarounds
Web Application Firewall (WAF)
allDeploy a WAF with SQL injection protection rules to block exploitation attempts.
Input Validation Filter
allImplement additional input validation at the web server or application level to filter SQL special characters.
🧯 If You Can't Patch
- Isolate TCExam instance behind strict network segmentation and access controls
- Implement comprehensive monitoring and alerting for SQL injection attempts
🔍 How to Verify
Check if Vulnerable:
Review TCExam version against patched version in advisory. Test with SQL injection payloads in vulnerable parameters.Check Version:
Check TCExam version in admin panel or review source code version filesVerify Fix Applied:
Verify TCExam version matches patched version. Test SQL injection attempts should be blocked or sanitized.📡 Detection & Monitoring
Log Indicators:
- SQL syntax errors in application logs
- Unusual database queries from web application
- Multiple failed login attempts with SQL payloads
Network Indicators:
- HTTP requests containing SQL keywords (SELECT, UNION, etc.)
- Abnormal database connection patterns from web server
SIEM Query:
source="web_logs" AND ("SELECT" OR "UNION" OR "' OR '1'='1") AND dest_port=80