CVE-2022-27798 : Security Advisory and Response

Adobe Acrobat Reader DC versions 22.001.20085 (and earlier), 20.005.3031x (and earlier), and 17.012.30205 (and earlier) are affected by an out-of-bounds write vulnerability that could result in arbitrary code execution. Learn more about the impact, technical details, and mitigation strategies below.

Understanding CVE-2022-27798

This CVE involves an out-of-bounds write vulnerability in Adobe Acrobat Reader DC that could potentially lead to remote code execution.

What is CVE-2022-27798?

Adobe Acrobat Reader DC versions are susceptible to an out-of-bounds write vulnerability, allowing attackers to execute arbitrary code in the context of the current user.

The Impact of CVE-2022-27798

The vulnerability has a CVSS base score of 7.8, indicating a high severity issue. It requires low attack complexity but high privileges for exploitation, posing a risk of data confidentiality, integrity, and availability.

Technical Details of CVE-2022-27798

Vulnerability Description

The vulnerability in Adobe Acrobat Reader DC versions allows for out-of-bounds write access, potentially leading to arbitrary code execution.

Affected Systems and Versions

Acrobat Reader versions 22.001.20085 (and earlier), 20.005.3031x (and earlier), and 17.012.30205 (and earlier) are affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by enticing a victim to open a specially crafted malicious file, triggering the out-of-bounds write operation.

Mitigation and Prevention

Immediate Steps to Take

Users are advised to update their Acrobat Reader installations to the latest version to mitigate this vulnerability. Avoid opening files from untrusted or unknown sources.

Long-Term Security Practices

Regularly update software and implement security best practices to reduce the risk of being targeted by similar vulnerabilities.

Patching and Updates

Adobe has released security updates to address this vulnerability. Make sure to apply the latest patches and stay informed about security advisories.