CVE-2021-28580 : What You Need to Know

Medium by Adobe version 2.4.5.331 (and earlier) is affected by a buffer overflow vulnerability when parsing a crafted file. An unauthenticated attacker could leverage this vulnerability to achieve remote code execution in the context of the current user. This issue requires user interaction as the victim must open a malicious file.

Understanding CVE-2021-28580

This vulnerability affects Medium by Adobe version 2.4.5.331 and earlier, potentially allowing an attacker to execute arbitrary code remotely.

What is CVE-2021-28580?

CVE-2021-28580 is a buffer overflow vulnerability in Medium by Adobe, which can be exploited by an unauthenticated attacker through a crafted file, leading to remote code execution.

The Impact of CVE-2021-28580

The impact of this vulnerability is classified as high, with a CVSS base score of 8.8. It can result in confidentiality, integrity, and availability impacts, with no privileges required and user interaction needed.

Technical Details of CVE-2021-28580

This section covers the technical aspects of the vulnerability, including its description, affected systems, and exploitation mechanism.

Vulnerability Description

The vulnerability arises from a buffer overflow issue in Medium by Adobe when parsing specially crafted files, enabling attackers to execute arbitrary code remotely.

Affected Systems and Versions

Medium by Adobe version 2.4.5.331 (and earlier) is confirmed to be affected by this vulnerability.

Exploitation Mechanism

Exploiting this vulnerability requires an attacker to entice a victim into opening a malicious file, triggering the buffer overflow and allowing remote code execution.

Mitigation and Prevention

To protect systems from CVE-2021-28580, immediate steps and long-term security practices are recommended.

Immediate Steps to Take

Users are advised to update Medium by Adobe to a patched version, avoid opening files from untrusted sources, and implement security best practices.

Long-Term Security Practices

Maintaining up-to-date software, conducting regular security audits, and educating users on safe file handling can reduce the risk of similar vulnerabilities.

Patching and Updates

Adobe has released a security advisory addressing this vulnerability. Users should apply the recommended patches and updates promptly.