CVE-2024-11125
📋 TL;DR
This vulnerability in GetSimpleCMS allows attackers to perform cross-site request forgery (CSRF) attacks via the /admin/profile.php file, potentially tricking authenticated administrators into executing unintended actions. It affects GetSimpleCMS 3.3.16 users, particularly those with internet-facing installations, and can be exploited remotely without authentication in some scenarios.
💻 Affected Systems
- GetSimpleCMS
📦 What is this software?
Getsimplecms by Get Simple
⚠️ Risk & Real-World Impact
Worst Case
An attacker could trick an authenticated admin into changing their own or other user credentials, leading to account takeover and potential site compromise.
Likely Case
Attackers may modify admin profile settings, such as email or password, causing disruption or unauthorized access.
If Mitigated
With CSRF tokens or proper access controls, the impact is minimal, as requests would be blocked or require additional verification.
🎯 Exploit Status
Exploit details are publicly disclosed, making it easy for attackers to craft CSRF attacks; exploitation requires the victim to be authenticated as an admin.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None known
Restart Required: No
Instructions:
No official patch is available; monitor the vendor's site for updates or consider workarounds and alternative CMS options.
🔧 Temporary Workarounds
Implement CSRF Tokens
allAdd CSRF protection tokens to forms in /admin/profile.php to validate requests.
Edit the PHP file to include token generation and validation; no single command applies.
Restrict Admin Access
linuxLimit access to the admin interface to trusted IP addresses using web server rules.
For Apache: add 'Require ip 192.168.1.0/24' to .htaccess in admin directory.
For Nginx: use 'allow 192.168.1.0/24; deny all;' in server config.
🧯 If You Can't Patch
- Disable or remove the /admin/profile.php file if not needed, but this may break functionality.
- Use a web application firewall (WAF) to block CSRF attempts and monitor for suspicious requests.
🔍 How to Verify
Check if Vulnerable:
Check if the GetSimpleCMS version is 3.3.16 and review /admin/profile.php for lack of CSRF tokens.Check Version:
Check the version in the CMS admin panel or look for version info in files like gsconfig.php.Verify Fix Applied:
After applying workarounds, test with CSRF tools like Burp Suite to ensure requests are blocked without valid tokens.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to /admin/profile.php from unexpected sources or without referrer headers.
Network Indicators:
- Traffic patterns showing CSRF payloads or repeated failed admin requests.
SIEM Query:
source="web_logs" AND uri="/admin/profile.php" AND method="POST" AND NOT referrer="*admin*"