CVE-2021-43748 : Security Advisory and Response

Adobe Premiere Rush versions 1.5.16 and earlier are susceptible to a Null pointer dereference vulnerability that allows an attacker to trigger a denial-of-service attack. This CVE details the impact and technical aspects of the vulnerability.

Understanding CVE-2021-43748

Adobe Premiere Rush NULL Pointer Dereference Local Denial-of-Service

What is CVE-2021-43748?

Adobe Premiere Rush versions 1.5.16 and earlier have a vulnerability that could lead to a local denial-of-service condition. An unauthenticated attacker could exploit this flaw, requiring user interaction by opening a malicious file.

The Impact of CVE-2021-43748

The vulnerability has a CVSS base score of 5.5, with a medium severity rating. It could result in a high availability impact, causing application denial-of-service for the user.

Technical Details of CVE-2021-43748

Vulnerability Description

The vulnerability in Adobe Premiere Rush allows a Null pointer dereference, which could be triggered by an unauthenticated attacker.

Affected Systems and Versions

Product: Premiere Rush
Vendor: Adobe
Versions affected: 1.5.16 and earlier

Exploitation Mechanism

To exploit the vulnerability, an attacker must entice a victim into opening a malicious file, which triggers the Null pointer dereference, leading to a denial-of-service.

Mitigation and Prevention

Immediate Steps to Take

Update Adobe Premiere Rush to version 1.5.17 or later to address the vulnerability.
Caution users against opening files from untrusted or unknown sources.
Monitor for any unusual application behavior that could indicate exploitation attempts.

Long-Term Security Practices

Regularly update software to patch known vulnerabilities.
Educate users on safe handling of files and the importance of software updates.
Implement network and endpoint security measures to detect and prevent exploitation attempts.

Patching and Updates

Ensure timely installation of security patches provided by Adobe to mitigate the risk of exploitation.