CVE-2023-1955
📋 TL;DR
This critical SQL injection vulnerability in SourceCodester Online Computer and Laptop Store 1.0 allows attackers to manipulate database queries through the email parameter in the login.php user registration component. Attackers can remotely execute arbitrary SQL commands, potentially compromising the entire database. All users running version 1.0 of this software are affected.
💻 Affected Systems
- SourceCodester Online Computer and Laptop Store
📦 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 if database functions allow it.
Likely Case
Unauthorized data access, user account compromise, and potential privilege escalation leading to administrative control.
If Mitigated
Limited impact with proper input validation and parameterized queries preventing successful exploitation.
🎯 Exploit Status
Exploit details are publicly available in GitHub repositories. The vulnerability requires no authentication and has simple exploitation vectors.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None available
Restart Required: No
Instructions:
No official patch available. Implement parameterized queries and input validation in login.php. Replace raw SQL queries with prepared statements.
🔧 Temporary Workarounds
Input Validation and Sanitization
allImplement strict input validation for email parameter to reject SQL injection attempts
Implement regex validation for email format: /^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$/
Use htmlspecialchars() or equivalent for output encoding
Web Application Firewall Rules
allDeploy WAF rules to block SQL injection patterns in login requests
ModSecurity rule: SecRule ARGS:email "@detectSQLi" "id:1001,phase:2,deny,status:403"
🧯 If You Can't Patch
- Isolate the application behind a reverse proxy with strict input filtering
- Implement network segmentation and restrict database access to only necessary IPs
🔍 How to Verify
Check if Vulnerable:
Test login.php with SQL injection payloads in email parameter: ' OR '1'='1Check Version:
Check application version in admin panel or configuration filesVerify Fix Applied:
Attempt SQL injection payloads and verify they are rejected or sanitized without affecting database📡 Detection & Monitoring
Log Indicators:
- Unusual SQL error messages in application logs
- Multiple failed login attempts with SQL patterns in email field
- Database query errors containing injection payloads
Network Indicators:
- HTTP POST requests to login.php with SQL keywords in parameters
- Unusual database connection patterns from web server
SIEM Query:
source="web_logs" AND uri="/login.php" AND (email="*OR*" OR email="*UNION*" OR email="*SELECT*" OR email="*--*")🔗 References
- https://github.com/boyi0508/Online-Computer-and-Laptop-Store/blob/main/User%20registration%20SQL%20injection.pdf
- https://vuldb.com/?ctiid.225342
- https://vuldb.com/?id.225342
- https://github.com/boyi0508/Online-Computer-and-Laptop-Store/blob/main/User%20registration%20SQL%20injection.pdf
- https://vuldb.com/?ctiid.225342
- https://vuldb.com/?id.225342
