CVE-2021-40790 : What You Need to Know

This article provides details about CVE-2021-40790, a Use-After-Free vulnerability affecting Adobe Premiere Pro.

Understanding CVE-2021-40790

CVE-2021-40790 is a Use-After-Free vulnerability impacting Adobe Premiere Pro, allowing for the disclosure of sensitive memory.

What is CVE-2021-40790?

Adobe Premiere Pro versions 22.0 and earlier, as well as 15.4.2 and earlier, are affected by a Use-After-Free vulnerability.
Exploiting the vulnerability could enable an attacker to bypass mitigations like ASLR by having the victim open a malicious file.

The Impact of CVE-2021-40790

CVSS Score: 5.5 (Medium)
Confidentiality Impact: High
User Interaction Required: Yes
Attack Complexity: Low
The vulnerability's exploitation requires user interaction.

Technical Details of CVE-2021-40790

This section dives deeper into the technical aspects of the CVE-2021-40790 vulnerability.

Vulnerability Description

The vulnerability is classified as Use After Free (CWE-416).

Affected Systems and Versions

Affected Product: Adobe Premiere Pro
Vendor: Adobe
Affected Versions: Premiere Pro version <= 15.4.2
The vulnerability impacts both older and newer versions of Adobe Premiere Pro.

Exploitation Mechanism

The exploit relies on a Use-After-Free vulnerability that can be triggered when a victim interacts with a malicious file.

Mitigation and Prevention

Learn how to safeguard your systems against CVE-2021-40790.

Immediate Steps to Take

Ensure all users update Adobe Premiere Pro to the latest version.
Educate users about the risks associated with opening files from unknown sources.

Long-Term Security Practices

Conduct regular security training sessions to raise awareness about cybersecurity best practices.
Implement strict file validation checks to prevent the execution of malicious files.

Patching and Updates

Stay updated with Adobe's security advisories for the latest patches and updates.