CVE-2014-1634
📋 TL;DR
This vulnerability allows SQL injection attacks in the Advanced Newsletter Magento extension via the subscribeajax endpoint. Attackers can execute arbitrary SQL commands by manipulating the an_category_id parameter in PATH_INFO. Magento stores using vulnerable versions of this extension are affected.
💻 Affected Systems
- Advanced Newsletter Magento extension
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise including customer data theft, admin credential extraction, and potential remote code execution via database functions.
Likely Case
Database information disclosure, data manipulation, and potential privilege escalation.
If Mitigated
Limited impact with proper input validation and parameterized queries in place.
🎯 Exploit Status
Exploitation requires sending crafted HTTP requests to the vulnerable endpoint.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.3.5 and later
Vendor Advisory: https://labs.integrity.pt/advisories/cve-2014-1634/
Restart Required: No
Instructions:
1. Update Advanced Newsletter extension to version 2.3.5 or later. 2. Apply the patch from the vendor. 3. Clear Magento cache.
🔧 Temporary Workarounds
Input Validation Filter
allAdd input validation to filter SQL injection attempts in the subscribeajax endpoint.
Modify app/code/community/Advanced/Newsletter/controllers/IndexController.php to validate an_category_id parameter
WAF Rule
allImplement web application firewall rules to block SQL injection patterns.
Add WAF rule: deny requests containing SQL keywords in PATH_INFO parameters
🧯 If You Can't Patch
- Disable the Advanced Newsletter extension entirely
- Block access to /store/advancednewsletter/index/subscribeajax/ endpoint at network level
🔍 How to Verify
Check if Vulnerable:
Check if Advanced Newsletter extension version is below 2.3.5 in Magento admin panel or via file inspection.Check Version:
Check app/code/community/Advanced/Newsletter/etc/config.xml for version tagVerify Fix Applied:
Verify extension version is 2.3.5 or later and test the vulnerable endpoint with SQL injection payloads.📡 Detection & Monitoring
Log Indicators:
- Unusual SQL errors in Magento logs
- Multiple requests to /store/advancednewsletter/index/subscribeajax/ with suspicious parameters
Network Indicators:
- HTTP requests containing SQL keywords in PATH_INFO
- Unusual database query patterns from web server
SIEM Query:
source="magento.log" AND "subscribeajax" AND ("SQL" OR "syntax" OR "error")