CVE-2023-48078
📋 TL;DR
This SQL injection vulnerability in Simple CRUD Functionality v1.0 allows attackers to execute arbitrary SQL commands through the 'title' parameter in add.php. Attackers can potentially read, modify, or delete database contents, and in some cases gain full system control. Any organization using this vulnerable software version is affected.
💻 Affected Systems
- Simple CRUD Functionality
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data theft, data destruction, and potential remote code execution on the underlying server.
Likely Case
Unauthorized data access, data manipulation, and potential privilege escalation within the application.
If Mitigated
Limited impact with proper input validation and parameterized queries preventing successful exploitation.
🎯 Exploit Status
Public proof-of-concept code is available, making exploitation straightforward for attackers.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: Unknown
Restart Required: No
Instructions:
No official patch available. Implement workarounds or replace with secure alternative software.
🔧 Temporary Workarounds
Input Validation and Sanitization
allAdd server-side validation to sanitize the 'title' parameter before processing.
Modify add.php to include input validation: $title = mysqli_real_escape_string($conn, $_POST['title']);
Web Application Firewall (WAF)
allDeploy a WAF with SQL injection protection rules to block malicious requests.
🧯 If You Can't Patch
- Isolate the vulnerable system from the internet and restrict access to authorized users only.
- Implement network segmentation to limit potential lateral movement if compromised.
🔍 How to Verify
Check if Vulnerable:
Test the 'title' parameter in add.php with SQL injection payloads like: ' OR '1'='1
Check Version:
Check the software version in the application files or configuration.
Verify Fix Applied:
Test the same SQL injection payloads after implementing fixes to ensure they are blocked or sanitized.
📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in application logs
- Multiple failed login attempts following SQL injection patterns
- Unexpected database access from application user
Network Indicators:
- HTTP requests to add.php with SQL keywords in parameters
- Unusual outbound database connections from web server
SIEM Query:
source="web_logs" AND uri="*/add.php*" AND (param="*title=*OR*" OR param="*title=*UNION*" OR param="*title=*SELECT*")