CVE-2023-22247
📋 TL;DR
CVE-2023-22247 is an XML injection vulnerability in Adobe Commerce that allows unauthenticated attackers to read arbitrary files from the server. This affects Adobe Commerce versions 2.4.4-p2 and earlier, and 2.4.5-p1 and earlier. No user interaction is required for exploitation.
💻 Affected Systems
- Adobe Commerce
- Magento Open Source
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete server file system compromise leading to sensitive data exposure, configuration file access, and potential credential theft.
Likely Case
Unauthorized reading of sensitive files including configuration files, logs, and potentially customer data.
If Mitigated
Limited impact with proper file permissions and network segmentation preventing access to critical files.
🎯 Exploit Status
Exploitation is straightforward for attackers with basic XML injection knowledge. No authentication required.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.4.4-p3, 2.4.5-p2, 2.4.6
Vendor Advisory: https://helpx.adobe.com/security/products/magento/apsb23-17.html
Restart Required: Yes
Instructions:
1. Backup your Adobe Commerce instance. 2. Update to version 2.4.4-p3, 2.4.5-p2, or 2.4.6. 3. Clear cache. 4. Restart services. 5. Verify the update was successful.
🔧 Temporary Workarounds
Input Validation Filter
allImplement strict input validation for XML parsing functions to reject malicious payloads.
Implement custom validation in XML parsing modules
Web Application Firewall
allDeploy WAF with XML injection protection rules to block malicious requests.
Configure WAF to detect and block XML injection patterns
🧯 If You Can't Patch
- Implement strict network segmentation to limit access to Adobe Commerce instances
- Apply strict file system permissions to limit readable files to minimum required
🔍 How to Verify
Check if Vulnerable:
Check Adobe Commerce version via admin panel or by examining composer.json version.Check Version:
php bin/magento --versionVerify Fix Applied:
Verify version is 2.4.4-p3, 2.4.5-p2, or 2.4.6 or later. Test XML parsing functionality.📡 Detection & Monitoring
Log Indicators:
- Unusual XML parsing errors
- Requests with XML payloads containing file paths
- Multiple failed file read attempts
Network Indicators:
- HTTP requests with XML payloads targeting vulnerable endpoints
- Unusual outbound file transfer patterns
SIEM Query:
source="web_logs" AND (uri="*/xml*" OR method="POST") AND (payload="*file:*" OR payload="*path:*")