CVE-2022-27795 : What You Need to Know

Adobe Acrobat Reader DC AcroForm isDefaultChecked Use-After-Free Remote Code Execution Vulnerability

Understanding CVE-2022-27795

This CVE-2022-27795 pertains to Adobe Acrobat Reader DC versions 22.001.20085 and earlier, 20.005.3031x and earlier, and 17.012.30205 and earlier, which are affected by a use-after-free vulnerability.

What is CVE-2022-27795?

Adobe Acrobat Reader DC versions mentioned are susceptible to a use-after-free vulnerability in the processing of the acroform event, potentially leading to arbitrary code execution in the current user's context. Exploiting this vulnerability necessitates user interaction, requiring the victim to open a malicious file.

The Impact of CVE-2022-27795

The impact of CVE-2022-27795 is rated as high, with a base score of 7.8. The vulnerability has high confidentiality, integrity, and availability impact, with low attack complexity.

Technical Details of CVE-2022-27795

This section provides further technical insights into the vulnerability.

Vulnerability Description

The use-after-free vulnerability in Adobe Acrobat Reader DC can trigger arbitrary code execution.

Affected Systems and Versions

Acrobat Reader DC versions 22.001.20085, 20.005.3031x, and 17.012.30205 are affected.

Exploitation Mechanism

Exploiting this vulnerability requires user interaction, where a victim unknowingly opens a malicious file.

Mitigation and Prevention

To safeguard your systems against CVE-2022-27795, consider implementing the following measures.

Immediate Steps to Take

Users should update their Adobe Acrobat Reader DC to the latest version to mitigate the risk of exploitation.

Long-Term Security Practices

Employ user awareness training to recognize and avoid opening suspicious files and emails.

Patching and Updates

Regularly update software and apply security patches to stay protected from known vulnerabilities.