CVE-2024-53495
📋 TL;DR
This vulnerability allows attackers to bypass authentication in my-site v1.0.2.RELEASE by exploiting incorrect access control in the preHandle function. Attackers can access sensitive components without valid credentials. Any system running the vulnerable version is affected.
💻 Affected Systems
- my-site
📦 What is this software?
My Site by Winterchens
⚠️ Risk & Real-World Impact
Worst Case
Complete compromise of sensitive data and administrative functions, potentially leading to data theft, system takeover, or further network penetration.
Likely Case
Unauthorized access to sensitive information, user data exposure, and potential privilege escalation within the application.
If Mitigated
Limited impact with proper network segmentation and additional authentication layers, but still represents a significant security gap.
🎯 Exploit Status
The vulnerability is in authentication logic, making exploitation straightforward once the vulnerable endpoint is identified.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: v1.0.3.RELEASE or later
Vendor Advisory: https://github.com/WinterChenS/my-site/issues/88
Restart Required: Yes
Instructions:
1. Backup current configuration and data. 2. Download and install my-site v1.0.3.RELEASE or later. 3. Restart the application service. 4. Verify authentication is working correctly.
🔧 Temporary Workarounds
Network Access Restriction
allRestrict access to the application using network firewalls or web application firewalls
Additional Authentication Layer
allImplement reverse proxy with additional authentication before reaching the vulnerable application
🧯 If You Can't Patch
- Implement strict network segmentation to isolate the vulnerable system
- Deploy a web application firewall with authentication bypass protection rules
🔍 How to Verify
Check if Vulnerable:
Check application version in configuration files or via version endpoint. Test authentication bypass by attempting to access protected endpoints without credentials.Check Version:
Check application.properties or similar configuration file for version informationVerify Fix Applied:
After patching, attempt to access protected endpoints without authentication - access should be denied. Verify version shows v1.0.3.RELEASE or later.📡 Detection & Monitoring
Log Indicators:
- Multiple failed authentication attempts followed by successful access to protected endpoints
- Access to sensitive endpoints from unauthenticated IP addresses
Network Indicators:
- HTTP requests to protected endpoints without authentication headers
- Unusual access patterns to administrative interfaces
SIEM Query:
source="my-site" AND (event_type="AUTH_FAILURE" OR endpoint="/admin/*") AND status="200"