CVE-2021-43754 : Exploit Details and Defense Strategies

Adobe Prelude version 22.1.1 (and earlier) is affected by an Out-of-bounds Write vulnerability due to insecure handling of a malicious file, potentially resulting in arbitrary code execution in the context of the current user. User interaction is required to exploit this vulnerability.

Understanding CVE-2021-43754

What is CVE-2021-43754?

Adobe Prelude versions prior to 22.1.1 are susceptible to an Out-of-bounds Write vulnerability that could allow an attacker to execute arbitrary code by exploiting the vulnerability through a malicious file with the need for user interaction.

The Impact of CVE-2021-43754

The vulnerability has a CVSS base score of 7.8, indicating a high severity level. It affects confidentiality, integrity, and availability, potentially leading to arbitrary code execution in the user's context.

Technical Details of CVE-2021-43754

Vulnerability Description

The vulnerability is categorized as an Out-of-bounds Write (CWE-787), enabling attackers to execute arbitrary code by manipulating files.

Affected Systems and Versions

Product: Adobe Prelude
Vendor: Adobe
Versions Affected: 22.0 and earlier

Exploitation Mechanism

The vulnerability occurs due to insecure handling of files in Adobe Prelude versions prior to 22.1.1, requiring user interaction for exploitation.

Mitigation and Prevention

Immediate Steps to Take

Update Adobe Prelude to version 22.1.1 or later to mitigate the vulnerability.
Avoid opening or interacting with suspicious or untrusted files.

Long-Term Security Practices

Regularly update software and apply security patches promptly.
Educate users on safe file handling practices to prevent similar vulnerabilities.

Patching and Updates

Apply relevant security updates and monitor vendor advisories for any further patches or recommendations.