CVE-2024-48196
📋 TL;DR
A remote attacker can exploit this vulnerability in eyouCMS v1.6.7 by sending a crafted script to the post parameter, potentially exposing sensitive information. This affects all systems running the vulnerable version of eyouCMS without proper input validation.
💻 Affected Systems
- eyouCMS
📦 What is this software?
Eyoucms by Eyoucms
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise through information disclosure leading to further attacks, including database access, credential theft, or privilege escalation.
Likely Case
Exposure of sensitive configuration data, user information, or system details that could facilitate additional attacks.
If Mitigated
Limited impact with proper input validation and output encoding in place, potentially only revealing non-critical information.
🎯 Exploit Status
The exploit requires sending a crafted script to the post parameter, which is relatively straightforward.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: Unknown
Restart Required: No
Instructions:
Check the official eyouCMS repository or vendor website for security updates. If available, update to the latest patched version.
🔧 Temporary Workarounds
Input Validation and Sanitization
allImplement strict input validation and output encoding for the post parameter to prevent script injection.
Web Application Firewall (WAF) Rules
allDeploy WAF rules to block malicious scripts in post parameters.
🧯 If You Can't Patch
- Isolate the affected system from the internet and restrict access to trusted networks only.
- Implement network segmentation and monitor for unusual post parameter activity.
🔍 How to Verify
Check if Vulnerable:
Check the eyouCMS version in the system configuration or admin panel. If it is v1.6.7, it is likely vulnerable.
Check Version:
Check the eyouCMS admin panel or configuration files for version information.
Verify Fix Applied:
After applying any patches or workarounds, test by attempting to send a crafted script to the post parameter and verify it is blocked or sanitized.
📡 Detection & Monitoring
Log Indicators:
- Unusual post parameter values containing script tags or encoded payloads in web server logs.
Network Indicators:
- HTTP requests with crafted scripts in the post parameter to the eyouCMS application.
SIEM Query:
source="web_server_logs" AND (post_parameter CONTAINS "<script>" OR post_parameter CONTAINS "javascript:")