CVE-2022-27800 : What You Need to Know

Adobe Acrobat Reader DC versions 22.001.20085 and earlier, 20.005.3031x and earlier, and 17.012.30205 and earlier are affected by a use-after-free vulnerability in the processing of annotations. This vulnerability could lead to arbitrary code execution in the context of the current user, requiring user interaction to exploit.

Understanding CVE-2022-27800

This CVE involves a use-after-free vulnerability in Adobe Acrobat Reader DC versions, potentially resulting in remote code execution.

What is CVE-2022-27800?

CVE-2022-27800 is a vulnerability found in Acrobat Reader DC versions that allows an attacker to execute arbitrary code by exploiting a use-after-free issue related to how annotations are processed. Successful exploitation requires the victim to open a malicious file.

The Impact of CVE-2022-27800

The impact of this vulnerability is rated as HIGH, with a CVSS base score of 7.8. It has a high impact on confidentiality, integrity, and availability, with user interaction being required for exploitation.

Technical Details of CVE-2022-27800

This section outlines the vulnerability description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability in Adobe Acrobat Reader DC versions arises from a use-after-free issue associated with annotation processing, allowing an attacker to execute arbitrary code within the user's context.

Affected Systems and Versions

The versions affected include Acrobat Reader DC 22.001.20085 and earlier, 20.005.3031x and earlier, and 17.012.30205 and earlier.

Exploitation Mechanism

Exploiting CVE-2022-27800 requires the victim to interact with a malicious file, triggering the use-after-free vulnerability to execute arbitrary code.

Mitigation and Prevention

Discover the immediate steps to take, long-term security practices to implement, and the importance of patching and updates.

Immediate Steps to Take

Users should exercise caution when opening PDF files from untrusted sources, and consider updating to the latest secure versions of Acrobat Reader DC.

Long-Term Security Practices

Implementing best practices for secure document handling, such as avoiding opening suspicious or unsolicited files, can help reduce the risk of exploitation.

Patching and Updates

Regularly update Acrobat Reader DC to address security vulnerabilities and ensure the latest patches are applied to mitigate potential risks.