CVE-2022-24091 Explained : Impact and Mitigation

Adobe Acrobat Reader DC Font Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

Understanding CVE-2022-24091

This CVE involves an out-of-bounds write vulnerability in Adobe Acrobat Reader DC versions 21.007.20099 and earlier, 20.004.30017 and earlier, and 17.011.30204 and earlier. The vulnerability could lead to arbitrary code execution with high severity.

What is CVE-2022-24091?

Adobe Acrobat Reader DC versions mentioned are affected by an out-of-bounds write vulnerability that can be exploited through a malicious font file, requiring user interaction to execute arbitrary code.

The Impact of CVE-2022-24091

The vulnerability poses a high risk with a CVSS base score of 7.8 and affects confidentiality, integrity, and availability of the system. An attacker could exploit the flaw to execute arbitrary code in the context of the current user.

Technical Details of CVE-2022-24091

Vulnerability Description

The vulnerability in Adobe Acrobat Reader DC allows for an out-of-bounds write attack leading to potential remote code execution.

Affected Systems and Versions

Adobe Acrobat Reader DC versions 21.007.20099, 20.004.30017, and 17.011.30204 are confirmed to be affected.

Exploitation Mechanism

Exploiting this vulnerability requires user interaction where a victim must open a malicious font file to trigger the code execution.

Mitigation and Prevention

Immediate Steps to Take

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

Long-Term Security Practices

Regularly updating software, employing email and file scanning measures, and practicing safe browsing habits can help mitigate risks of such vulnerabilities.

Patching and Updates

Stay informed about security advisories from Adobe and promptly apply security patches to ensure protection against known vulnerabilities.