CVE-2017-7680 : What You Need to Know

Apache OpenMeetings 1.0.0 has a vulnerability due to an insecure crossdomain.xml file, potentially allowing the loading of flash content from untrusted domains.

Understanding CVE-2017-7680

Apache OpenMeetings 1.0.0 is affected by an overly permissive crossdomain.xml file, posing a risk of loading flash content from untrusted sources.

What is CVE-2017-7680?

The crossdomain.xml file in Apache OpenMeetings 1.0.0 is excessively permissive, enabling the loading of flash content from untrusted domains.

The Impact of CVE-2017-7680

This vulnerability could lead to the execution of malicious flash content from untrusted sources, potentially compromising the security of the system.

Technical Details of CVE-2017-7680

Apache OpenMeetings 1.0.0 is susceptible to the following:

Vulnerability Description

The crossdomain.xml file in Apache OpenMeetings 1.0.0 is overly permissive, allowing the loading of flash content from untrusted domains.

Affected Systems and Versions

Product: Apache OpenMeetings
Vendor: Apache Software Foundation
Version: 1.0.0

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting malicious flash content hosted on untrusted domains, which could be executed within the context of the application.

Mitigation and Prevention

To address CVE-2017-7680, consider the following steps:

Immediate Steps to Take

Restrict access to the crossdomain.xml file to trusted domains only.
Regularly monitor and audit flash content loaded by the application.

Long-Term Security Practices

Implement a Content Security Policy (CSP) to control the origins from which resources can be loaded.
Educate developers on secure coding practices to prevent similar vulnerabilities.

Patching and Updates

Apply patches or updates provided by Apache Software Foundation to secure the crossdomain.xml file and prevent unauthorized flash content loading.