CVE-2024-6940
📋 TL;DR
This critical vulnerability in DedeCMS allows remote attackers to inject and execute arbitrary code through the article_template_rand.php file. It affects all users running DedeCMS 5.7.114, potentially leading to complete system compromise.
💻 Affected Systems
- DedeCMS
📦 What is this software?
Dedecms by Dedecms
⚠️ Risk & Real-World Impact
Worst Case
Complete system takeover with remote code execution, data theft, backdoor installation, and lateral movement within the network.
Likely Case
Website defacement, data exfiltration, malware deployment, and unauthorized administrative access to the CMS.
If Mitigated
Limited impact with proper web application firewalls, input validation, and restricted file permissions preventing successful exploitation.
🎯 Exploit Status
Public exploit code is available, making this easily weaponizable. Attack requires no authentication and has low technical complexity.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None available
Restart Required: No
Instructions:
No official patch available. Consider upgrading to a newer version if available, or implement workarounds.
🔧 Temporary Workarounds
Remove vulnerable file
linuxDelete or rename the article_template_rand.php file to prevent exploitation
mv /path/to/article_template_rand.php /path/to/article_template_rand.php.bak
rm /path/to/article_template_rand.php
Restrict file permissions
linuxSet restrictive permissions on the vulnerable file to prevent execution
chmod 000 /path/to/article_template_rand.php
🧯 If You Can't Patch
- Implement a web application firewall (WAF) with rules to block requests to article_template_rand.php
- Isolate the DedeCMS instance in a DMZ with strict network segmentation and monitoring
🔍 How to Verify
Check if Vulnerable:
Check if article_template_rand.php exists in your DedeCMS installation and if you're running version 5.7.114Check Version:
Check DedeCMS version in admin panel or look for version files in installation directoryVerify Fix Applied:
Verify article_template_rand.php is removed/renamed or has restrictive permissions (000)📡 Detection & Monitoring
Log Indicators:
- Unusual POST/GET requests to article_template_rand.php
- System command execution in web logs
- File creation/modification in web directories
Network Indicators:
- HTTP requests containing suspicious parameters or code snippets targeting article_template_rand.php
SIEM Query:
source="web_logs" AND (uri="*article_template_rand.php*" OR method="POST" AND uri="*article_template_rand.php*")🔗 References
- https://gitee.com/fushuling/cve/blob/master/dedeCMS%20V5.7.114%20article_template_rand.php%20code%20injection.md
- https://vuldb.com/?ctiid.271995
- https://vuldb.com/?id.271995
- https://vuldb.com/?submit.372810
- https://gitee.com/fushuling/cve/blob/master/dedeCMS%20V5.7.114%20article_template_rand.php%20code%20injection.md
- https://vuldb.com/?ctiid.271995
- https://vuldb.com/?id.271995
- https://vuldb.com/?submit.372810
