CVE-2022-26631
📋 TL;DR
CVE-2022-26631 is a critical SQL injection vulnerability in Automatic Question Paper Generator v1.0 that allows attackers to execute arbitrary SQL commands via the 'id' GET parameter. This affects all users running the vulnerable version of this PHP web application. Attackers can potentially extract, modify, or delete database contents.
💻 Affected Systems
- Automatic Question Paper Generator System
📦 What is this software?
Automatic Question Paper Generator by Automatic Question Paper Generator Project
View all CVEs affecting Automatic Question Paper Generator →
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data theft, data destruction, or full system takeover via SQL injection to RCE chaining.
Likely Case
Database information disclosure including user credentials, sensitive application data, and potential privilege escalation.
If Mitigated
Limited impact with proper input validation, parameterized queries, and WAF protection blocking SQL injection attempts.
🎯 Exploit Status
Time-based blind SQL injection requires automated tools but exploit scripts are publicly available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not available
Vendor Advisory: Not available
Restart Required: No
Instructions:
No official patch exists. Replace vulnerable code with parameterized queries and input validation.
🔧 Temporary Workarounds
Web Application Firewall (WAF)
allDeploy WAF with SQL injection rules to block exploitation attempts.
Input Validation Filter
allAdd server-side validation to reject malicious 'id' parameter values.
// PHP example: if(!is_numeric($_GET['id'])) { die('Invalid input'); }
🧯 If You Can't Patch
- Isolate the application behind strict network segmentation and access controls.
- Implement database-level protections: minimal privileges, query logging, and regular backups.
🔍 How to Verify
Check if Vulnerable:
Test with SQL injection payloads on the 'id' parameter: /page.php?id=1' AND SLEEP(5)--
Check Version:
Check application version in source code or admin panel.
Verify Fix Applied:
Verify parameterized queries are implemented and input validation rejects SQL injection attempts.
📡 Detection & Monitoring
Log Indicators:
- SQL syntax errors in web server logs
- Unusual database query patterns
- Multiple requests with SQL keywords in parameters
Network Indicators:
- HTTP requests containing SQL injection payloads in GET parameters
- Unusual timing delays in responses
SIEM Query:
web.url:*id=* AND (web.url:*SLEEP* OR web.url:*WAITFOR* OR web.url:*UNION* OR web.url:*SELECT*)
🔗 References
- https://github.com/Cyb3rR3ap3r/CVE-2022-26631
- https://www.sourcecodester.com/php/15190/automatic-question-paper-generator-system-phpoop-free-source-code.html
- https://github.com/Cyb3rR3ap3r/CVE-2022-26631
- https://www.sourcecodester.com/php/15190/automatic-question-paper-generator-system-phpoop-free-source-code.html