CVE-2021-28591 Explained : Impact and Mitigation

Adobe Illustrator version 25.2.3 and earlier is susceptible to an Out-of-bounds Write vulnerability during the parsing of a malicious file. This flaw could be exploited by an unauthorized remote attacker to execute arbitrary code on the victim's system.

Understanding CVE-2021-28591

This CVE-2021-28591 involves a critical vulnerability in Adobe Illustrator that allows remote code execution when processing specially crafted PDF files. Attackers could exploit this issue to gain control over the affected system.

What is CVE-2021-28591?

Adobe Illustrator versions up to 25.2.3 can be compromised by an Out-of-bounds Write vulnerability in the PDF file parsing functionality. Successful exploitation could lead to arbitrary code execution with the user's privileges.

The Impact of CVE-2021-28591

The impact of CVE-2021-28591 is severe, with an attacker being able to execute malicious code on the victim's machine through a specially crafted file. This could result in complete compromise of the system.

Technical Details of CVE-2021-28591

This section outlines the specific technical details of the CVE-2021-28591 vulnerability in Adobe Illustrator.

Vulnerability Description

The vulnerability involves an Out-of-bounds Write issue in the processing of PDF files by Adobe Illustrator, leading to potential arbitrary code execution by an unauthorized attacker.

Affected Systems and Versions

The vulnerability affects Adobe Illustrator version 25.2.3 and earlier. Users with these versions are at risk of exploitation by malicious actors.

Exploitation Mechanism

To exploit this vulnerability, an attacker needs to craft a malicious PDF file and trick the victim into opening it. Once opened, the attacker can execute arbitrary code on the victim's system.

Mitigation and Prevention

To protect systems from CVE-2021-28591 in Adobe Illustrator, users and administrators should take immediate action to mitigate the risks and prevent potential exploitation.

Immediate Steps to Take

Users should update Adobe Illustrator to the latest version to patch the vulnerability. Avoid opening PDF files from untrusted sources to reduce the risk of exploitation.

Long-Term Security Practices

Implement a comprehensive security policy that includes regular software updates, employee training on phishing awareness, and the use of trusted sources for file sharing.

Patching and Updates

Adobe has released patches to address the vulnerability in Illustrator. Users should promptly apply these updates to safeguard their systems against potential attacks.