CVE-2023-47675
📋 TL;DR
CVE-2023-47675 is an OS command injection vulnerability in CubeCart e-commerce software that allows authenticated administrators to execute arbitrary commands on the underlying operating system. This affects all CubeCart installations prior to version 6.5.3. Attackers with administrative access can potentially compromise the entire server.
💻 Affected Systems
- CubeCart
📦 What is this software?
Cubecart by Cubecart
⚠️ Risk & Real-World Impact
Worst Case
Full server compromise leading to data theft, ransomware deployment, lateral movement to other systems, and complete business disruption.
Likely Case
Web server compromise, database exfiltration, installation of backdoors, and defacement of e-commerce sites.
If Mitigated
Limited impact if proper network segmentation, least privilege access, and monitoring are in place, though administrative accounts remain at risk.
🎯 Exploit Status
Exploitation requires administrative credentials but is straightforward once authenticated. No public exploit code has been released.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 6.5.3
Vendor Advisory: https://forums.cubecart.com/topic/58736-cubecart-653-released-security-update/
Restart Required: No
Instructions:
1. Backup your CubeCart installation and database. 2. Download CubeCart 6.5.3 from the official website. 3. Replace all files with the new version, preserving configuration files. 4. Run the upgrade script if prompted. 5. Verify functionality.
🔧 Temporary Workarounds
Restrict Administrative Access
allLimit administrative access to trusted IP addresses only
# In .htaccess or web server config
Order deny,allow
Deny from all
Allow from 192.168.1.0/24
Allow from 10.0.0.0/8
Implement Web Application Firewall
allDeploy WAF rules to block command injection attempts
# ModSecurity rule example
SecRule ARGS "@rx [;&|`$()]" \
"id:1001,phase:2,deny,status:403,msg:'Command Injection Attempt'"
🧯 If You Can't Patch
- Implement strict network segmentation to isolate CubeCart servers from critical infrastructure
- Enforce multi-factor authentication for all administrative accounts and monitor for suspicious activity
🔍 How to Verify
Check if Vulnerable:
Check CubeCart version in admin panel or examine /includes/global.inc.php for version numberCheck Version:
grep -i 'version' /path/to/cubecart/includes/global.inc.php | head -1Verify Fix Applied:
Confirm version is 6.5.3 or later in admin dashboard📡 Detection & Monitoring
Log Indicators:
- Unusual command execution patterns in web server logs
- Administrative login from unexpected IP addresses
- POST requests containing shell metacharacters like ;, |, &, `, $()
Network Indicators:
- Outbound connections from web server to unexpected destinations
- Unusual process execution patterns from web server
SIEM Query:
source="web_logs" AND (uri="*admin*" AND (method="POST" AND (body="*;*" OR body="*|*" OR body="*`*" OR body="*$(*")))