CVE-2024-52053: Wowza Streaming Engine XSS Vulnerability

CVE-2024-52053 Overview

CVE-2024-52053 is a Stored Cross-Site Scripting (XSS) vulnerability in the Manager component of Wowza Streaming Engine versions below 4.9.1. This vulnerability allows an unauthenticated attacker to inject malicious client-side JavaScript into the web dashboard, which can be used to automatically hijack administrator accounts when they view the compromised content.

Critical Impact

Unauthenticated attackers can inject persistent JavaScript payloads into the Wowza Streaming Engine web dashboard, enabling automatic hijacking of admin accounts and potential full system compromise.

Affected Products

• Wowza Streaming Engine versions below 4.9.1
• Linux Kernel (as underlying operating system)
• Microsoft Windows (as underlying operating system)

Discovery Timeline

• 2024-11-21 - CVE-2024-52053 published to NVD
• 2025-03-03 - Last updated in NVD database

Technical Details for CVE-2024-52053

Vulnerability Analysis

This vulnerability is classified as CWE-79 (Improper Neutralization of Input During Web Page Generation), commonly known as Cross-Site Scripting. The stored nature of this XSS vulnerability makes it particularly dangerous, as the malicious payload persists in the application's database or storage and executes whenever any user accesses the affected page.

The attack does not require authentication, meaning external threat actors can inject malicious scripts without needing valid credentials. Once an administrator accesses the dashboard containing the injected payload, the JavaScript executes in the context of their authenticated session, allowing the attacker to perform actions on their behalf or steal session credentials.

Root Cause

The root cause of this vulnerability lies in improper input validation and output encoding within the Manager component of Wowza Streaming Engine. User-supplied input is stored without adequate sanitization and subsequently rendered in the web dashboard without proper encoding, allowing HTML and JavaScript content to be interpreted and executed by the victim's browser rather than being displayed as inert text.

Attack Vector

The attack is network-based and can be executed remotely. An unauthenticated attacker can submit specially crafted input containing malicious JavaScript to the Wowza Streaming Engine Manager component. This payload is stored in the application and later rendered in the administrative web dashboard. When an administrator or privileged user views the affected page, the injected script executes within their browser session.

The attacker can leverage this to:

• Steal session cookies and authentication tokens
• Perform actions on behalf of the administrator
• Modify streaming configurations
• Create new administrative accounts
• Exfiltrate sensitive configuration data

Since no code examples are verified for this vulnerability, readers should refer to the Rapid7 security advisory for detailed technical analysis of the exploitation mechanism.

Detection Methods for CVE-2024-52053

Indicators of Compromise

• Unexpected JavaScript tags or encoded script content in Wowza Manager database entries or configuration files
• Unusual administrative actions performed without corresponding admin login events
• Browser requests to external domains originating from admin sessions viewing the dashboard
• New administrator accounts created without proper authorization workflows

Detection Strategies

• Implement web application firewall (WAF) rules to detect and block XSS payloads in requests to the Wowza Manager component
• Monitor HTTP request logs for suspicious input patterns containing <script> tags, event handlers (e.g., onerror, onload), or JavaScript URI schemes
• Deploy Content Security Policy (CSP) headers to restrict script execution sources and detect policy violations
• Audit stored data within the Wowza Manager component for signs of injected HTML or JavaScript content

Monitoring Recommendations

• Enable detailed access logging for the Wowza Streaming Engine Manager web interface
• Configure alerting for failed CSP violations which may indicate XSS exploitation attempts
• Monitor for anomalous session activity patterns that could indicate session hijacking
• Review administrative action logs for changes made outside of expected maintenance windows

How to Mitigate CVE-2024-52053

Immediate Actions Required

• Upgrade Wowza Streaming Engine to version 4.9.1 or later immediately
• Restrict network access to the Manager web interface to trusted IP ranges using firewall rules
• Audit existing stored data within the Manager component for signs of injected malicious content
• Review administrator account activity logs for any unauthorized actions that may indicate prior exploitation

Patch Information

Wowza has addressed this vulnerability in Wowza Streaming Engine version 4.9.1. Organizations should apply this update as soon as possible. For detailed release information, refer to the Wowza Streaming Engine 4.9.1 Release Notes.

Workarounds

• Implement network-level access controls to limit who can reach the Manager web interface
• Deploy a web application firewall (WAF) with XSS protection rules in front of the Wowza Manager component
• Implement Content Security Policy (CSP) headers to mitigate the impact of any successful XSS injection
• Consider temporarily disabling the web-based Manager interface and using alternative configuration methods if patching is delayed

# Example: Restrict access to Wowza Manager interface using iptables
# Allow access only from trusted management network (192.168.1.0/24)
iptables -A INPUT -p tcp --dport 8088 -s 192.168.1.0/24 -j ACCEPT
iptables -A INPUT -p tcp --dport 8088 -j DROP