CVE-2023-7156
📋 TL;DR
This SQL injection vulnerability in Campcodes Online College Library System 1.0 allows attackers to manipulate database queries through the category parameter in the search functionality. Remote attackers can potentially access, modify, or delete sensitive data in the database. All deployments of version 1.0 with the vulnerable search component are affected.
💻 Affected Systems
- Campcodes Online College Library System
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise including data theft, data manipulation, authentication bypass, and potential remote code execution through database functions.
Likely Case
Unauthorized access to sensitive student/faculty data, grade manipulation, or system disruption through database corruption.
If Mitigated
Limited impact with proper input validation and database permissions, potentially only error messages or limited data exposure.
🎯 Exploit Status
Public exploit details available in referenced Medium article. SQL injection via category parameter requires minimal technical skill.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None found
Restart Required: No
Instructions:
1. Check vendor website for updates
2. If no patch available, implement parameterized queries
3. Replace vulnerable index.php search code with secure implementation
🔧 Temporary Workarounds
Input Validation Filter
allAdd input validation to reject malicious SQL characters in category parameter
Add to index.php before processing category: if(preg_match('/[\'\"\;\-\-\/\*\=\s]/', $_GET['category'])) { die('Invalid input'); }
Web Application Firewall Rule
allBlock SQL injection patterns in category parameter
WAF rule: Block requests containing SQL keywords (SELECT, UNION, etc.) in category parameter
🧯 If You Can't Patch
- Implement network segmentation to restrict database server access
- Enable detailed logging of all search queries and monitor for SQL patterns
🔍 How to Verify
Check if Vulnerable:
Test search functionality with SQL injection payload in category parameter: ' OR '1'='1Check Version:
Check system documentation or about page for version informationVerify Fix Applied:
Attempt SQL injection tests and verify they are rejected or sanitized📡 Detection & Monitoring
Log Indicators:
- Unusual SQL errors in application logs
- Multiple failed search attempts with special characters
- Long or complex search queries
Network Indicators:
- HTTP requests with SQL keywords in category parameter
- Unusual database query patterns from web server
SIEM Query:
source="web_logs" AND (uri_query="*category=*SELECT*" OR uri_query="*category=*UNION*" OR uri_query="*category=*OR*1*" OR uri_query="*category=*--*")🔗 References
- https://medium.com/@heishou/libsystem-foreground-sql-injection-vulnerability-95b95ab64ccc
- https://vuldb.com/?ctiid.249178
- https://vuldb.com/?id.249178
- https://medium.com/@heishou/libsystem-foreground-sql-injection-vulnerability-95b95ab64ccc
- https://vuldb.com/?ctiid.249178
- https://vuldb.com/?id.249178
