CVE-2022-30810
📋 TL;DR
EliteCMS v1.01 contains a SQL injection vulnerability in the admin/edit_post.php endpoint that allows attackers to execute arbitrary SQL commands. This affects all installations of EliteCMS v1.01 with the vulnerable file present. Attackers can potentially access, modify, or delete database content through this vulnerability.
💻 Affected Systems
- EliteCMS
📦 What is this software?
Elite Cms by Elitecms
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data theft, data destruction, or full system takeover via subsequent attacks.
Likely Case
Unauthorized access to sensitive data stored in the database, including user credentials, content, and configuration information.
If Mitigated
Limited impact if proper input validation and parameterized queries are implemented, restricting SQL command execution.
🎯 Exploit Status
Exploitation requires admin access to reach the vulnerable endpoint, but SQL injection techniques are well-documented and easy to implement.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None known
Restart Required: No
Instructions:
1. Review the vulnerable edit_post.php file
2. Implement parameterized queries or prepared statements
3. Add input validation for all user-supplied parameters
4. Test the fix thoroughly before deployment
🔧 Temporary Workarounds
Disable vulnerable endpoint
linuxTemporarily disable or restrict access to admin/edit_post.php
mv admin/edit_post.php admin/edit_post.php.disabled
chmod 000 admin/edit_post.php.disabled
Web Application Firewall rule
allImplement WAF rules to block SQL injection patterns targeting edit_post.php
🧯 If You Can't Patch
- Implement network segmentation to isolate the EliteCMS instance
- Enable detailed logging and monitoring for SQL injection attempts
🔍 How to Verify
Check if Vulnerable:
Check if admin/edit_post.php exists and contains unsanitized user input in SQL queriesCheck Version:
Check EliteCMS version in configuration files or admin panelVerify Fix Applied:
Test the edit_post.php endpoint with SQL injection payloads to ensure they're properly sanitized📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in database logs
- Multiple failed login attempts to admin panel
- Suspicious POST requests to edit_post.php
Network Indicators:
- SQL keywords in HTTP POST parameters
- Unusual database connection patterns
SIEM Query:
source="web_logs" AND uri="/admin/edit_post.php" AND (payload CONTAINS "UNION" OR payload CONTAINS "SELECT" OR payload CONTAINS "INSERT")