CVE-2016-5742
📋 TL;DR
This SQL injection vulnerability in Movable Type's XML-RPC interface allows remote attackers to execute arbitrary SQL commands on the database. It affects Movable Type Pro, Advanced, and Open Source versions with specific vulnerable releases. Attackers can potentially read, modify, or delete database contents.
💻 Affected Systems
- Movable Type Pro
- Movable Type Advanced
- Movable Type Open Source
📦 What is this software?
Movable Type by Sixapart
Movable Type by Sixapart
Movable Type by Sixapart
Movable Type by Sixapart
Movable Type by Sixapart
Movable Type by Sixapart
Movable Type by Sixapart
Movable Type by Sixapart
Movable Type by Sixapart
Movable Type by Sixapart
Movable Type by Sixapart
Movable Type by Sixapart
Movable Type by Sixapart
Movable Type by Sixapart
Movable Type by Sixapart
Movable Type by Sixapart
Movable Type by Sixapart
Movable Type by Sixapart
Movable Type by Sixapart
Movable Type by Sixapart
Movable Type by Sixapart
Movable Type by Sixapart
Movable Type by Sixapart
Movable Type by Sixapart
Movable Type by Sixapart
Movable Type by Sixapart
Movable Type by Sixapart
Movable Type by Sixapart
Movable Type by Sixapart
Movable Type by Sixapart
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data theft, data destruction, privilege escalation, and potential remote code execution through database functions.
Likely Case
Unauthorized data access, data manipulation, and potential administrative account takeover.
If Mitigated
Limited impact with proper input validation, parameterized queries, and network segmentation in place.
🎯 Exploit Status
SQL injection vulnerabilities are typically easy to exploit with automated tools. The 'unspecified vectors' suggests multiple injection points.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Pro/Advanced: 6.1.3 or 6.2.6; Open Source: 5.2.14 or later
Vendor Advisory: https://movabletype.org/news/2016/06/movable_type_626_and_613_released.html
Restart Required: Yes
Instructions:
1. Backup your Movable Type installation and database. 2. Download the patched version from the vendor website. 3. Replace the vulnerable files with patched versions. 4. Restart the web server. 5. Verify the patch is applied correctly.
🔧 Temporary Workarounds
Disable XML-RPC Interface
allTemporarily disable the vulnerable XML-RPC interface if not required
Edit Movable Type configuration to disable XML-RPC endpoints
Web Application Firewall Rules
allImplement WAF rules to block SQL injection patterns targeting XML-RPC endpoints
Configure WAF to block SQL injection patterns in XML-RPC requests
🧯 If You Can't Patch
- Implement strict input validation and parameterized queries for all XML-RPC endpoints
- Network segmentation to restrict access to Movable Type instances from untrusted networks
🔍 How to Verify
Check if Vulnerable:
Check Movable Type version against affected versions. Review XML-RPC endpoint logs for SQL injection attempts.Check Version:
Check Movable Type admin interface or config files for version informationVerify Fix Applied:
Verify installed version is 6.1.3/6.2.6 or later for Pro/Advanced, or 5.2.14+ for Open Source. Test XML-RPC endpoints with SQL injection test payloads.📡 Detection & Monitoring
Log Indicators:
- SQL syntax errors in web server logs
- Unusual database queries from web application
- XML-RPC requests containing SQL keywords
Network Indicators:
- HTTP POST requests to XML-RPC endpoints with SQL payloads
- Unusual database traffic patterns
SIEM Query:
source="web_logs" AND ("xmlrpc" OR "XML-RPC") AND ("SELECT" OR "UNION" OR "INSERT" OR "DELETE" OR "DROP" OR "' OR '1'='1")🔗 References
- http://www.openwall.com/lists/oss-security/2016/06/22/3
- http://www.openwall.com/lists/oss-security/2016/06/22/5
- http://www.openwall.com/lists/oss-security/2016/06/22/6
- http://www.securitytracker.com/id/1036160
- https://movabletype.org/news/2016/06/movable_type_626_and_613_released.html
- http://www.openwall.com/lists/oss-security/2016/06/22/3
- http://www.openwall.com/lists/oss-security/2016/06/22/5
- http://www.openwall.com/lists/oss-security/2016/06/22/6
- http://www.securitytracker.com/id/1036160
- https://movabletype.org/news/2016/06/movable_type_626_and_613_released.html
