CVE-2024-30159
📋 TL;DR
This vulnerability allows authenticated administrators in Mitel MiCollab web conferencing to inject malicious scripts that execute in other users' browsers. It affects MiCollab versions through 9.7.1.110. Attackers could steal session cookies, redirect users, or perform actions on their behalf.
💻 Affected Systems
- Mitel MiCollab
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Administrator account compromise leading to full system takeover, data exfiltration, or deployment of additional malware within the environment.
Likely Case
Session hijacking of other administrators or users, credential theft, or unauthorized actions performed in the context of logged-in users.
If Mitigated
Limited impact due to proper input validation, output encoding, and Content Security Policy implementation.
🎯 Exploit Status
Exploitation requires administrative credentials and knowledge of the vulnerable input fields
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 9.7.1.111 or later
Vendor Advisory: https://www.mitel.com/support/security-advisories/mitel-product-security-advisory-24-0005
Restart Required: Yes
Instructions:
1. Download the latest MiCollab version from Mitel support portal. 2. Backup current configuration. 3. Apply the update following Mitel's upgrade documentation. 4. Restart the MiCollab services.
🔧 Temporary Workarounds
Implement Content Security Policy
allAdd CSP headers to restrict script execution sources
Add 'Content-Security-Policy' header with appropriate directives to web server configuration
Restrict Administrative Access
allLimit administrative accounts to only trusted personnel and implement multi-factor authentication
🧯 If You Can't Patch
- Implement strict input validation and output encoding for all user-controllable fields
- Monitor administrative account activity and implement session timeouts
🔍 How to Verify
Check if Vulnerable:
Check MiCollab version in administration interface - if version is 9.7.1.110 or earlier, system is vulnerableCheck Version:
Check via MiCollab web interface: Admin > System > About or equivalent menuVerify Fix Applied:
Verify version is 9.7.1.111 or later in administration interface📡 Detection & Monitoring
Log Indicators:
- Unusual administrative account activity
- Multiple failed login attempts followed by successful login
- Suspicious script tags or JavaScript in input fields
Network Indicators:
- Unexpected outbound connections from MiCollab server
- Suspicious JavaScript payloads in HTTP requests
SIEM Query:
source="micollab" AND (event_type="admin_login" OR http_request CONTAINS "<script>" OR http_request CONTAINS "javascript:")