CVE-2023-1762
📋 TL;DR
This CVE describes an improper privilege management vulnerability in phpMyFAQ versions prior to 3.1.12. It allows authenticated users to escalate privileges and perform administrative actions without proper authorization. Organizations running vulnerable phpMyFAQ installations are affected.
💻 Affected Systems
- phpMyFAQ
📦 What is this software?
Phpmyfaq by Phpmyfaq
⚠️ Risk & Real-World Impact
Worst Case
Attackers gain full administrative control over the phpMyFAQ instance, allowing them to modify content, access sensitive data, or potentially execute arbitrary code.
Likely Case
Authenticated users can perform unauthorized administrative actions, potentially modifying FAQ content, user accounts, or system settings.
If Mitigated
With proper access controls and monitoring, impact is limited to unauthorized administrative actions that can be detected and rolled back.
🎯 Exploit Status
Exploitation requires authenticated user access but is straightforward once authenticated
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 3.1.12
Vendor Advisory: https://github.com/thorsten/phpmyfaq/commit/ae6c1d8c3eab05d6e2227c7a9998707f4f891514
Restart Required: No
Instructions:
1. Backup your current phpMyFAQ installation and database. 2. Download phpMyFAQ 3.1.12 or later from the official repository. 3. Replace the vulnerable files with the patched version. 4. Verify the installation is working correctly.
🔧 Temporary Workarounds
Restrict User Access
allLimit user accounts to only trusted individuals and implement strong authentication controls
Implement Web Application Firewall
allDeploy WAF rules to detect and block privilege escalation attempts
🧯 If You Can't Patch
- Implement strict access controls and monitor all administrative actions
- Isolate the phpMyFAQ instance from sensitive systems and data
🔍 How to Verify
Check if Vulnerable:
Check the phpMyFAQ version in the admin panel or by examining the source code filesCheck Version:
Check the version in the admin dashboard or look for version information in the source filesVerify Fix Applied:
Verify the version is 3.1.12 or later and check that the commit ae6c1d8c3eab05d6e2227c7a9998707f4f891514 is applied📡 Detection & Monitoring
Log Indicators:
- Unauthorized administrative actions by non-admin users
- Privilege escalation attempts in application logs
Network Indicators:
- Unusual administrative requests from non-admin user accounts
SIEM Query:
source="phpmyfaq" AND (event="admin_action" OR event="privilege_change") AND user_role!="admin"