CVE-2020-27605 : What You Need to Know

BigBlueButton through 2.2.28 is vulnerable to attacks related to a 'schwache Sandbox' due to its use of Ghostscript for processing EPS documents.

Understanding CVE-2020-27605

BigBlueButton through version 2.2.28 is susceptible to security risks associated with its handling of EPS documents using Ghostscript.

What is CVE-2020-27605?

BigBlueButton, up to version 2.2.28, utilizes Ghostscript for processing uploaded EPS files, potentially exposing it to attacks related to a 'schwache Sandbox.'

The Impact of CVE-2020-27605

The vulnerability could allow malicious actors to exploit the EPS document processing in BigBlueButton, leading to potential security breaches and unauthorized access.

Technical Details of CVE-2020-27605

BigBlueButton's vulnerability to attacks due to Ghostscript usage for EPS document processing.

Vulnerability Description

BigBlueButton version 2.2.28 and prior rely on Ghostscript for handling EPS files, creating a security loophole that attackers could exploit.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions affected: All versions up to 2.2.28

Exploitation Mechanism

Attackers can potentially exploit the vulnerability by manipulating EPS documents to execute malicious code within BigBlueButton's processing environment.

Mitigation and Prevention

Steps to address and prevent the CVE-2020-27605 vulnerability.

Immediate Steps to Take

Update BigBlueButton to the latest version to mitigate the vulnerability.
Monitor and restrict the upload of EPS files on the platform.

Long-Term Security Practices

Regularly review and update security protocols and configurations.
Educate users on safe file uploading practices to prevent malicious file execution.

Patching and Updates

Apply security patches promptly to ensure protection against known vulnerabilities in BigBlueButton.