CVE-2020-27613 : Security Advisory and Response

BigBlueButton before version 2.2.28 uses ClueCon as the FreeSWITCH password, enabling local users to gain unauthorized FreeSWITCH access.

Understanding CVE-2020-27613

This CVE entry highlights a security vulnerability in BigBlueButton that could lead to unintended system access.

What is CVE-2020-27613?

The installation process in BigBlueButton prior to version 2.2.28 utilizes ClueCon as the FreeSWITCH password, potentially allowing local users to exploit this information for unauthorized access to FreeSWITCH.

The Impact of CVE-2020-27613

The vulnerability could result in local users gaining unauthorized access to FreeSWITCH, compromising system security and potentially leading to further exploitation.

Technical Details of CVE-2020-27613

This section delves into the technical aspects of the CVE.

Vulnerability Description

The installation procedure in BigBlueButton before version 2.2.28 uses ClueCon as the FreeSWITCH password, enabling local users to achieve unintended FreeSWITCH access.

Affected Systems and Versions

BigBlueButton versions before 2.2.28

Exploitation Mechanism

The vulnerability arises from the use of ClueCon as the FreeSWITCH password during the installation process, which local users can exploit for unauthorized FreeSWITCH access.

Mitigation and Prevention

Protecting systems from CVE-2020-27613 is crucial to maintaining security.

Immediate Steps to Take

Upgrade BigBlueButton to version 2.2.28 or later to mitigate the vulnerability.
Implement strong access controls and password policies to restrict unauthorized system access.

Long-Term Security Practices

Regularly monitor and audit system access logs for any suspicious activities.
Educate users on secure password practices and the importance of system security.

Patching and Updates

Stay informed about security updates and patches released by BigBlueButton to address vulnerabilities like CVE-2020-27613.