CVE-2023-49665
📋 TL;DR
Billing Software v1.0 contains unauthenticated SQL injection vulnerabilities in the submit_delivery_list.php resource. Attackers can exploit the 'quantity[]' parameter to execute arbitrary SQL commands without authentication, potentially compromising the entire database. All users running this software version are affected.
💻 Affected Systems
- Billing Software
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data theft, data destruction, authentication bypass, and potential remote code execution on the underlying server.
Likely Case
Database information disclosure including sensitive billing data, customer information, and potential privilege escalation within the application.
If Mitigated
Limited impact with proper input validation, parameterized queries, and network segmentation preventing database access.
🎯 Exploit Status
SQL injection via POST parameter is well-understood and easily automated. Public advisories provide technical details.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: No official vendor advisory found
Restart Required: No
Instructions:
1. Check vendor website for updated version
2. If patch exists, download and replace vulnerable files
3. Test functionality after update
4. No official patch guidance available
🔧 Temporary Workarounds
Web Application Firewall (WAF)
allDeploy WAF rules to block SQL injection patterns in the quantity[] parameter
Input Validation Filter
allAdd server-side validation to only accept numeric values in quantity[] parameter
🧯 If You Can't Patch
- Isolate the billing software on a separate network segment with strict firewall rules
- Implement database user with minimal privileges and enable query logging for suspicious activity
🔍 How to Verify
Check if Vulnerable:
Send a POST request to submit_delivery_list.php with quantity[] parameter containing SQL injection payload like ' OR '1'='1Check Version:
Check software documentation or interface for version informationVerify Fix Applied:
Test with same payload after remediation - should return error or no database interaction📡 Detection & Monitoring
Log Indicators:
- Unusual database queries from web server
- SQL syntax errors in application logs
- Multiple failed login attempts after SQL injection
Network Indicators:
- POST requests to submit_delivery_list.php with SQL keywords in parameters
- Unusual database port traffic from web server
SIEM Query:
source="web_logs" AND uri="*submit_delivery_list.php*" AND (param="*quantity*" AND value="*OR*" OR value="*UNION*" OR value="*SELECT*")