CVE-2022-28231 Explained : Impact and Mitigation

Adobe Acrobat Reader DC versions 22.001.20085 and earlier, 20.005.3031x and earlier, and 17.012.30205 and earlier are impacted by an out-of-bounds read vulnerability. This vulnerability, when processing a doc object, could lead to information disclosure or code execution.

Understanding CVE-2022-28231

This CVE pertains to an out-of-bounds read vulnerability in Adobe Acrobat Reader DC that could be exploited by an attacker to execute malicious code.

What is CVE-2022-28231?

Adobe Acrobat Reader DC versions before specific releases are affected by an out-of-bounds read flaw that can result in unauthorized access to sensitive information or unauthorized code execution.

The Impact of CVE-2022-28231

The vulnerability has a CVSS base score of 7.8 (High severity) with a requirement of user interaction to exploit. It could lead to a local attacker executing arbitrary code in the context of the current user.

Technical Details of CVE-2022-28231

This section covers the technical aspects of the vulnerability.

Vulnerability Description

The vulnerability is related to an out-of-bounds read, potentially allowing an attacker to read past the end of an allocated memory structure while processing a doc object in Adobe Acrobat Reader DC.

Affected Systems and Versions

Adobe Acrobat Reader DC versions 22.001.20085, 20.005.3031x, and 17.012.30205 are confirmed to be impacted by this vulnerability.

Exploitation Mechanism

Exploitation of this vulnerability requires user interaction, as the victim must open a malicious file to trigger the out-of-bounds read issue.

Mitigation and Prevention

To mitigate the risks associated with CVE-2022-28231, follow the below recommendations.

Immediate Steps to Take

Users are advised to update Adobe Acrobat Reader DC to the latest version available to patch the vulnerability and prevent exploitation.

Long-Term Security Practices

Implementing strong file validation mechanisms and user awareness training about opening files from untrusted sources can help prevent such attacks.

Patching and Updates

Regularly check for security updates for Adobe Acrobat Reader DC and apply them promptly to address known vulnerabilities and enhance system security.