CVE-2023-50578
📋 TL;DR
Mingsoft MCMS v5.2.9 contains a SQL injection vulnerability in the categoryType parameter at /content/list.do. This allows attackers to execute arbitrary SQL commands on the database, potentially compromising the entire application. All systems running the vulnerable version are affected.
💻 Affected Systems
- Mingsoft MCMS
📦 What is this software?
Mcms by Mingsoft
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data theft, data manipulation, authentication bypass, and potential remote code execution via database functions.
Likely Case
Database information disclosure, data manipulation, and potential privilege escalation within the application.
If Mitigated
Limited impact with proper input validation and parameterized queries in place.
🎯 Exploit Status
SQL injection vulnerabilities are commonly weaponized, and this appears to be a straightforward parameter injection.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: v5.3.0 or later
Vendor Advisory: https://gitee.com/mingSoft/MCMS/issues/I8MAJK
Restart Required: Yes
Instructions:
1. Backup your database and application files. 2. Download the latest version from the official repository. 3. Replace the vulnerable files with patched versions. 4. Restart the application server.
🔧 Temporary Workarounds
Input Validation Filter
allImplement strict input validation for the categoryType parameter to only allow expected values.
Modify /content/list.do to validate categoryType parameter against a whitelist
WAF Rule
allDeploy a web application firewall rule to block SQL injection patterns in the categoryType parameter.
Configure WAF to detect and block SQL injection patterns in request parameters
🧯 If You Can't Patch
- Implement network segmentation to restrict access to the vulnerable endpoint
- Deploy additional monitoring and alerting for SQL injection attempts
🔍 How to Verify
Check if Vulnerable:
Test the /content/list.do endpoint with SQL injection payloads in the categoryType parameter.Check Version:
Check the MCMS version in the application configuration or admin panel.Verify Fix Applied:
Verify that SQL injection attempts no longer succeed and that parameterized queries are implemented.📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in database logs
- Multiple failed login attempts following SQL injection patterns
- Requests to /content/list.do with suspicious parameter values
Network Indicators:
- Unusual outbound database connections from the application server
- SQL error messages in HTTP responses
SIEM Query:
source="web_logs" AND uri="/content/list.do" AND (param="categoryType" AND value MATCHES "(?i)(union|select|insert|update|delete|drop|exec|--|#|;)")