CVE-2024-34468
📋 TL;DR
This vulnerability allows cross-site scripting (XSS) attacks via the user_photo parameter on the My Page feature in Rukovoditel. Attackers can inject malicious scripts that execute in victims' browsers when viewing compromised user profiles. All Rukovoditel instances running vulnerable versions are affected.
💻 Affected Systems
- Rukovoditel
📦 What is this software?
Rukovoditel by Rukovoditel
⚠️ Risk & Real-World Impact
Worst Case
Attackers could steal session cookies, perform actions as authenticated users, redirect to malicious sites, or compromise administrator accounts leading to full system takeover.
Likely Case
Attackers will typically use this to steal user credentials, perform session hijacking, or deface user profiles with malicious content.
If Mitigated
With proper input validation and output encoding, the impact is limited to minor data exposure or inconvenience.
🎯 Exploit Status
Exploitation requires authenticated access to upload or modify user photos, but the attack vector is straightforward once authenticated.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 3.5.3
Vendor Advisory: https://forum.rukovoditel.net/viewtopic.php?t=5071
Restart Required: No
Instructions:
1. Backup your Rukovoditel installation and database. 2. Download version 3.5.3 from the official Rukovoditel website. 3. Replace the existing files with the updated version. 4. Clear browser cache and test functionality.
🔧 Temporary Workarounds
Input Validation Filter
allImplement server-side validation to sanitize user_photo parameter inputs
Modify the user photo upload handler to validate file types and sanitize metadata
Content Security Policy
allImplement CSP headers to restrict script execution
Add 'Content-Security-Policy: default-src 'self'; script-src 'self'' to HTTP headers
🧯 If You Can't Patch
- Disable user photo upload functionality entirely
- Implement web application firewall rules to block malicious user_photo parameter values
🔍 How to Verify
Check if Vulnerable:
Check if your Rukovoditel version is below 3.5.3 by viewing the version in the admin panel or checking the application files.Check Version:
Check the version.php file or admin dashboard for version informationVerify Fix Applied:
After upgrading to 3.5.3, attempt to upload a user photo with XSS payload and verify it's properly sanitized.📡 Detection & Monitoring
Log Indicators:
- Unusual user_photo parameter values containing script tags or JavaScript code
- Multiple failed upload attempts with suspicious content
Network Indicators:
- HTTP requests with user_photo parameters containing script elements
- Unexpected external resource loads from user profile pages
SIEM Query:
search 'user_photo' AND ('script' OR 'javascript:' OR 'onerror=' OR 'onload=')