CVE-2020-10573 : Security Advisory and Response

An issue was discovered in Janus through 0.9.1. janus_audiobridge.c has a double mutex unlock when listing private rooms in AudioBridge.

Understanding CVE-2020-10573

This CVE identifies a vulnerability in Janus affecting versions up to 0.9.1.

What is CVE-2020-10573?

CVE-2020-10573 is a security flaw in Janus that allows for a double mutex unlock during the listing of private rooms in AudioBridge.

The Impact of CVE-2020-10573

This vulnerability could potentially lead to unauthorized access to private rooms and compromise the confidentiality of audio communications.

Technical Details of CVE-2020-10573

Janus through version 0.9.1 is susceptible to a double mutex unlock issue in janus_audiobridge.c.

Vulnerability Description

The vulnerability arises from improper handling of mutex unlocking, potentially leading to concurrency issues.

Affected Systems and Versions

Product: Janus
Vendor: N/A
Versions: Up to 0.9.1

Exploitation Mechanism

Attackers could exploit this vulnerability to gain unauthorized access to private rooms in AudioBridge by manipulating the double mutex unlock.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent the exploitation of CVE-2020-10573.

Immediate Steps to Take

Update Janus to a patched version that addresses the double mutex unlock issue.
Monitor and restrict access to private rooms in AudioBridge.

Long-Term Security Practices

Regularly update and patch Janus to mitigate potential vulnerabilities.
Implement proper mutex handling and concurrency controls in the codebase.

Patching and Updates

Ensure timely application of security patches and updates to Janus to prevent exploitation of known vulnerabilities.