CVE-2017-16922 : Vulnerability Insights and Analysis

Wowza Streaming Engine before version 4.7.1 is vulnerable to directory traversal and file retrieval through a crafted HTTP request.

Understanding CVE-2017-16922

This CVE involves a security issue in the com.wowza.wms.timedtext.http.HTTPProviderCaptionFile component.

What is CVE-2017-16922?

The vulnerability allows remote attackers to access files by manipulating HTTP requests in Wowza Streaming Engine.

The Impact of CVE-2017-16922

Attackers can exploit this flaw to retrieve sensitive files from the server, potentially leading to unauthorized access and data leakage.

Technical Details of CVE-2017-16922

Wowza Streaming Engine's HTTPProviderCaptionFile component is susceptible to directory traversal attacks.

Vulnerability Description

By sending a specially crafted HTTP request, an attacker can navigate the directory structure and retrieve files from the server.

Affected Systems and Versions

Product: Wowza Streaming Engine
Versions affected: Before 4.7.1

Exploitation Mechanism

Attackers can exploit this vulnerability by sending malicious HTTP requests to the affected component.

Mitigation and Prevention

It is crucial to take immediate action to secure systems against CVE-2017-16922.

Immediate Steps to Take

Update Wowza Streaming Engine to version 4.7.1 or later to mitigate the vulnerability.
Implement network security measures to filter and monitor incoming HTTP requests.

Long-Term Security Practices

Regularly monitor and audit server logs for any suspicious activities.
Conduct security assessments and penetration testing to identify and address vulnerabilities.

Patching and Updates

Stay informed about security updates and patches released by Wowza Media Systems.