CVE-2023-46677
📋 TL;DR
Online Job Portal v1.0 has unauthenticated SQL injection vulnerabilities in the sign-up.php file, specifically in the 'txt_uname' parameter. This allows attackers to execute arbitrary SQL commands without authentication, potentially compromising the entire database. All users running this specific version are affected.
💻 Affected Systems
- Online Job Portal
📦 What is this software?
Online Job Portal by Projectworlds
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise including data theft, data manipulation, authentication bypass, and potential remote code execution on the database server.
Likely Case
Database information disclosure, credential theft, and potential privilege escalation within the application.
If Mitigated
Limited impact with proper input validation and parameterized queries preventing SQL injection.
🎯 Exploit Status
Unauthenticated exploitation with publicly available details makes this easily weaponizable.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: Not available
Restart Required: No
Instructions:
1. Review the sign-up.php file
2. Implement parameterized queries or prepared statements
3. Add input validation for the txt_uname parameter
4. Sanitize all user inputs before database interaction
🔧 Temporary Workarounds
Web Application Firewall (WAF)
allDeploy a WAF with SQL injection protection rules to block malicious requests.
Input Validation Filter
allAdd server-side input validation to reject SQL injection patterns in the txt_uname parameter.
🧯 If You Can't Patch
- Isolate the vulnerable system from the internet and restrict access to trusted networks only.
- Implement strict network segmentation and monitor all database access attempts.
🔍 How to Verify
Check if Vulnerable:
Test the sign-up.php endpoint with SQL injection payloads in the txt_uname parameter and observe database errors or unexpected responses.Check Version:
Check application version in admin panel or configuration files.Verify Fix Applied:
Attempt SQL injection attacks after implementing fixes and confirm they are properly blocked without database errors.📡 Detection & Monitoring
Log Indicators:
- SQL syntax errors in application logs
- Unusual database query patterns
- Multiple failed sign-up attempts with SQL-like payloads
Network Indicators:
- HTTP requests to sign-up.php containing SQL keywords in parameters
- Unusual database port traffic from web servers
SIEM Query:
source="web_logs" AND uri="*/sign-up.php*" AND (param="txt_uname" AND value MATCHES "(?i)(SELECT|UNION|INSERT|DELETE|DROP|OR|AND)")