CVE-2024-52053

9.6 CRITICAL

📋 TL;DR

This is a stored cross-site scripting (XSS) vulnerability in Wowza Streaming Engine's Manager component that allows unauthenticated attackers to inject malicious JavaScript into the web dashboard. When exploited, this can automatically hijack administrator accounts by stealing session cookies or credentials. Organizations using Wowza Streaming Engine versions below 4.9.1 are affected.

💻 Affected Systems

Products:
  • Wowza Streaming Engine
Versions: All versions below 4.9.1
Operating Systems: All supported platforms
Default Config Vulnerable: ⚠️ Yes
Notes: The Manager component must be accessible to exploit this vulnerability. Default installations typically expose this interface.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete compromise of the Wowza Streaming Engine instance, allowing attackers to take full administrative control, modify streaming configurations, access sensitive data, and potentially pivot to other systems.

🟠

Likely Case

Administrator account takeover leading to unauthorized configuration changes, service disruption, and potential data exfiltration from the streaming platform.

🟢

If Mitigated

Limited impact if proper network segmentation, web application firewalls, and strict access controls are implemented to prevent unauthenticated access to the Manager interface.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

The vulnerability requires no authentication and involves simple JavaScript injection, making exploitation straightforward for attackers with network access to the Manager interface.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 4.9.1

Vendor Advisory: https://www.wowza.com/docs/wowza-streaming-engine-4-9-1-release-notes

Restart Required: Yes

Instructions:

1. Download Wowza Streaming Engine 4.9.1 from the official website. 2. Backup your current configuration and data. 3. Run the installer to upgrade to version 4.9.1. 4. Restart the Wowza Streaming Engine service.

🔧 Temporary Workarounds

Restrict Access to Manager Interface

all

Configure firewall rules or network access controls to limit access to the Wowza Manager web interface to trusted IP addresses only.

Implement Web Application Firewall

all

Deploy a WAF with XSS protection rules in front of the Wowza Streaming Engine to block malicious payloads.

🧯 If You Can't Patch

  • Implement strict network segmentation to isolate the Wowza Streaming Engine from untrusted networks.
  • Disable or restrict access to the Manager web interface and use alternative management methods if available.

🔍 How to Verify

Check if Vulnerable:

Check the Wowza Streaming Engine version via the web interface or configuration files. If version is below 4.9.1, the system is vulnerable.

Check Version:

On Linux: cat /usr/local/WowzaStreamingEngine/conf/Version.xml | grep 'WowzaStreamingEngine'

Verify Fix Applied:

After upgrading, verify the version shows 4.9.1 or higher in the Manager interface or via the version check command.

📡 Detection & Monitoring

Log Indicators:

  • Unusual JavaScript payloads in web access logs
  • Multiple failed login attempts followed by successful admin login from unexpected IPs
  • Suspicious configuration changes in Wowza logs

Network Indicators:

  • HTTP requests containing JavaScript payloads to the Manager interface
  • Unexpected outbound connections from the Wowza server

SIEM Query:

source="wowza_access.log" AND (uri="/manager*" OR uri="/enginemanager*") AND (http_user_agent CONTAINS "<script>" OR http_user_agent CONTAINS "javascript:")

🔗 References

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