CVE-2014-2023
📋 TL;DR
This CVE describes SQL injection vulnerabilities in the Tapatalk plugin for vBulletin forums. Attackers can execute arbitrary SQL commands via crafted XML-RPC API requests, potentially compromising the database. Affected systems are vBulletin installations with vulnerable Tapatalk plugin versions.
💻 Affected Systems
- vBulletin with Tapatalk plugin
📦 What is this software?
Tapatalk by Tapatalk
Tapatalk by Tapatalk
Tapatalk by Tapatalk
Tapatalk by Tapatalk
Tapatalk by Tapatalk
Tapatalk by Tapatalk
Tapatalk by Tapatalk
Tapatalk by Tapatalk
Tapatalk by Tapatalk
Tapatalk by Tapatalk
Tapatalk by Tapatalk
Tapatalk by Tapatalk
Tapatalk by Tapatalk
Tapatalk by Tapatalk
Tapatalk by Tapatalk
Tapatalk by Tapatalk
Tapatalk by Tapatalk
Tapatalk by Tapatalk
Tapatalk by Tapatalk
Tapatalk by Tapatalk
Tapatalk by Tapatalk
Tapatalk by Tapatalk
Tapatalk by Tapatalk
Tapatalk by Tapatalk
Tapatalk by Tapatalk
Tapatalk by Tapatalk
Tapatalk by Tapatalk
Tapatalk by Tapatalk
Tapatalk by Tapatalk
Tapatalk by Tapatalk
Tapatalk by Tapatalk
Tapatalk by Tapatalk
Tapatalk by Tapatalk
Tapatalk by Tapatalk
Tapatalk by Tapatalk
Tapatalk by Tapatalk
Tapatalk by Tapatalk
Tapatalk by Tapatalk
Tapatalk by Tapatalk
Tapatalk by Tapatalk
Tapatalk by Tapatalk
Tapatalk by Tapatalk
Tapatalk by Tapatalk
Tapatalk by Tapatalk
Tapatalk by Tapatalk
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data theft, privilege escalation, and potential remote code execution on the database server.
Likely Case
Database information disclosure, data manipulation, and potential authentication bypass.
If Mitigated
Limited impact with proper input validation and database permissions, but still significant risk.
🎯 Exploit Status
Multiple public exploits available, exploitation is straightforward via XML-RPC API.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Tapatalk plugin 5.2.2 or later
Vendor Advisory: https://www.tapatalk.com/
Restart Required: No
Instructions:
1. Update Tapatalk plugin to version 5.2.2 or later. 2. Remove or disable vulnerable plugin versions. 3. Apply vBulletin security patches if available.
🔧 Temporary Workarounds
Disable XML-RPC API
allDisable the vulnerable XML-RPC endpoints in Tapatalk configuration
Edit Tapatalk configuration to disable XML-RPC API
Remove Tapatalk plugin
allCompletely remove the Tapatalk plugin from vBulletin installation
Remove Tapatalk plugin files from vBulletin installation directory
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block SQL injection patterns
- Restrict network access to vBulletin installation to trusted IPs only
🔍 How to Verify
Check if Vulnerable:
Check Tapatalk plugin version in vBulletin admin panel or plugin directoryCheck Version:
Check vBulletin admin panel → Plugins → Tapatalk versionVerify Fix Applied:
Verify Tapatalk plugin version is 5.2.2 or later📡 Detection & Monitoring
Log Indicators:
- Unusual XML-RPC requests to unsubscribe_forum.php or unsubscribe_topic.php
- SQL error messages in application logs
Network Indicators:
- XML-RPC requests with SQL injection patterns
- Unusual database queries from web server
SIEM Query:
source="web_logs" AND (uri="*unsubscribe_forum.php*" OR uri="*unsubscribe_topic.php*") AND (query="*SELECT*" OR query="*UNION*" OR query="*OR 1=1*")🔗 References
- http://packetstormsecurity.com/files/128854/vBulletin-4.x-Tapatalk-Blind-SQL-Injection.html
- http://seclists.org/fulldisclosure/2014/Oct/57
- http://www.exploit-db.com/exploits/35102
- http://www.securityfocus.com/bid/70418
- https://github.com/tintinweb/pub/tree/master/pocs/cve-2014-2023
- http://packetstormsecurity.com/files/128854/vBulletin-4.x-Tapatalk-Blind-SQL-Injection.html
- http://seclists.org/fulldisclosure/2014/Oct/57
- http://www.exploit-db.com/exploits/35102
- http://www.securityfocus.com/bid/70418
- https://github.com/tintinweb/pub/tree/master/pocs/cve-2014-2023
