CVE-2021-36065 : What You Need to Know

Adobe Photoshop versions 21.2.10 and 22.4.3 are affected by a heap-based buffer overflow vulnerability that could lead to arbitrary code execution. Read on to understand the impact, technical details, and mitigation strategies.

Understanding CVE-2021-36065

This CVE refers to a heap-based buffer overflow vulnerability in Adobe Photoshop, impacting versions 21.2.10 and 22.4.3. It poses a significant risk of arbitrary code execution, requiring user interaction for exploitation.

What is CVE-2021-36065?

Adobe Photoshop versions 21.2.10 and 22.4.3 are susceptible to a heap-based buffer overflow flaw. If exploited, an attacker could execute arbitrary code in the context of the current user. The successful exploitation of this vulnerability necessitates a victim to open a malicious file.

The Impact of CVE-2021-36065

The vulnerability presents a high severity risk, with a CVSS base score of 7.8. Attackers could compromise the confidentiality, integrity, and availability of affected systems. No privileges are required to exploit this flaw, but user interaction is mandatory, limiting remote exploitation.

Technical Details of CVE-2021-36065

The technical aspects of CVE-2021-36065 include:

Vulnerability Description

The vulnerability is a heap-based buffer overflow (CWE-122) that exists in Adobe Photoshop versions 21.2.10 and 22.4.3. It enables attackers to execute arbitrary code within the user's context.

Affected Systems and Versions

Adobe Photoshop versions 21.2.10 and 22.4.3 are confirmed to be impacted by this vulnerability. Users of these versions are at risk and should take immediate action.

Exploitation Mechanism

To exploit this vulnerability, a malicious actor would need to entice a user to open a specially crafted file. User interaction is crucial for the successful execution of arbitrary code.

Mitigation and Prevention

To safeguard systems from CVE-2021-36065, consider the following mitigation strategies:

Immediate Steps to Take

Users should update Adobe Photoshop to a secure version promptly.
Exercise caution when opening files from unknown or untrusted sources.

Long-Term Security Practices

Regularly update software and apply security patches released by Adobe.
Educate users on safe browsing practices and the risks associated with opening files from unfamiliar sources.

Patching and Updates

Adobe has released security updates to address the vulnerability. Users are urged to install the latest patches to eliminate the risk of exploitation.