CVE-2023-24729
📋 TL;DR
CVE-2023-24729 is a SQL injection vulnerability in Simple Customer Relationship Management System v1.0 that allows attackers to execute arbitrary SQL commands via the address parameter in user profile updates. This affects all users running the vulnerable version of this PHP-based CRM system, potentially leading to data theft, modification, or system compromise.
💻 Affected Systems
- Simple Customer Relationship Management System
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise including exfiltration of all customer data, administrative credentials, and potential remote code execution leading to full system takeover.
Likely Case
Unauthorized access to sensitive customer information, modification of CRM data, and potential privilege escalation within the application.
If Mitigated
Limited impact with proper input validation and parameterized queries preventing SQL injection, though other vulnerabilities may still exist.
🎯 Exploit Status
Exploitation requires user authentication to access the profile update function. The SQL injection is straightforward once authenticated.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not available
Vendor Advisory: Not available
Restart Required: No
Instructions:
No official patch exists. Users must implement parameterized queries and input validation manually in the affected code.
🔧 Temporary Workarounds
Implement Input Validation
allAdd server-side validation to sanitize the address parameter before processing
Modify PHP code to use prepared statements with parameterized queries for all database operations involving user input
Web Application Firewall Rules
allDeploy WAF rules to block SQL injection patterns in the address parameter
Add WAF rule: Detect and block SQL injection patterns in POST parameters to profile update endpoints
🧯 If You Can't Patch
- Isolate the CRM system behind a reverse proxy with strict input validation
- Implement network segmentation to limit database access from the CRM application
🔍 How to Verify
Check if Vulnerable:
Test the address parameter in user profile updates with SQL injection payloads like ' OR '1'='1Check Version:
Check the version in the application's documentation or configuration filesVerify Fix Applied:
Verify that parameterized queries are implemented and SQL injection payloads no longer affect database queries📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in database logs
- Multiple failed login attempts followed by profile updates with suspicious address values
Network Indicators:
- HTTP POST requests to profile update endpoints containing SQL keywords in address parameter
SIEM Query:
source="web_logs" AND (method="POST" AND uri="/profile/update" AND param="address" AND value MATCHES "(?i)(union|select|insert|update|delete|drop|or|and|'|--|#)")🔗 References
- https://github.com/rahulpatwari/CVE/blob/main/CVE-2023-24729/CVE-2023-24729.txt
- https://www.sourcecodester.com/php/15895/simple-customer-relationship-management-crm-system-using-php-free-source-coude.html
- https://www.sourcecodester.com/sites/default/files/download/oretnom23/php-scrm.zip
- https://github.com/rahulpatwari/CVE/blob/main/CVE-2023-24729/CVE-2023-24729.txt
- https://www.sourcecodester.com/php/15895/simple-customer-relationship-management-crm-system-using-php-free-source-coude.html
- https://www.sourcecodester.com/sites/default/files/download/oretnom23/php-scrm.zip
