CVE-2022-28838 : Security Advisory and Response

Adobe Acrobat Pro DC version 22.001.2011x (and earlier), 20.005.3033x (and earlier) and 17.012.3022x (and earlier) are affected by a use-after-free vulnerability that could result in arbitrary code execution in the context of the current user. This vulnerability, tracked as CVE-2022-28838, poses a high risk with a CVSS base score of 7.8.

Understanding CVE-2022-28838

This CVE describes a use-after-free vulnerability in Adobe Acrobat Pro DC that could lead to remote code execution when a victim opens a malicious file.

What is CVE-2022-28838?

The vulnerability in Acrobat Pro DC allows attackers to execute arbitrary code in the context of the user, exploiting a use-after-free flaw. The exploit requires user interaction through opening a malicious file.

The Impact of CVE-2022-28838

With a CVSS base score of 7.8, this vulnerability has a high severity rating. Attackers could leverage this flaw to execute arbitrary code remotely, potentially compromising the confidentiality, integrity, and availability of the system.

Technical Details of CVE-2022-28838

The following technical details outline the specifics of the CVE:

Vulnerability Description

Adobe Acrobat Pro DC versions mentioned are prone to a use-after-free vulnerability leading to arbitrary code execution.

Affected Systems and Versions

Acrobat Reader versions <=22.001.20085, <=20.005.3031x, <=17.012.30205 are confirmed to be affected.

Exploitation Mechanism

Successful exploitation of this vulnerability requires user interaction, necessitating the victim to open a malicious file.

Mitigation and Prevention

Given the severity of the CVE, immediate actions and long-term security practices are recommended to mitigate risks.

Immediate Steps to Take

Users are advised to update their Acrobat Reader to the latest version to patch this vulnerability and avoid opening files from untrusted sources.

Long-Term Security Practices

Implementing a robust security policy, regular software updates, and user awareness training on phishing attacks can enhance overall system security.

Patching and Updates

Adobe has released patches to address this vulnerability. Users should promptly apply these security updates to safeguard their systems against potential exploitation.