CVE-2022-28243 : Security Advisory and Response
Discover the impact of CVE-2022-28243 affecting Adobe Acrobat Reader DC versions. Learn about the vulnerability, its severity, and mitigation steps to enhance system security.
Adobe Acrobat Reader DC version 22.001.2011x (and earlier), 20.005.3033x (and earlier), and 17.012.3022x (and earlier) are impacted by an out-of-bounds read vulnerability allowing for remote code execution. Find out the impact, technical details, and mitigation steps below.
Understanding CVE-2022-28243
This CVE encompasses a vulnerability in Adobe Acrobat Reader DC that could allow an attacker to execute arbitrary code remotely.
What is CVE-2022-28243?
Acrobat Reader versions mentioned are vulnerable to an out-of-bounds read issue when handling specially crafted files, potentially leading to memory structure violation and code execution by an attacker.
The Impact of CVE-2022-28243
The vulnerability has a CVSS base score of 7.8 (High severity), with a low attack complexity but requiring user interaction. Successful exploitation could result in the execution of malicious code in the user's context.
Technical Details of CVE-2022-28243
Below are some detailed technical aspects of the CVE:
Vulnerability Description
The vulnerability allows for an out-of-bounds read, enabling attackers to trigger remote code execution in Acrobat Reader.
Affected Systems and Versions
Adobe Acrobat Reader versions 22.001.2011x, 20.005.3033x, and 17.012.3022x, and earlier, are confirmed to be impacted.
Exploitation Mechanism
To exploit this vulnerability, a victim must open a maliciously crafted file, leading to unauthorized code execution.
Mitigation and Prevention
Understanding how to mitigate and prevent the CVE is crucial for maintaining system security:
Immediate Steps to Take
Users must update their Acrobat Reader to the latest version to eliminate this vulnerability. Exercise caution when opening files from untrusted sources.
Long-Term Security Practices
Employing best security practices like regular software updates, exercising caution with file downloads, and practicing safe browsing habits can enhance overall system security.
Patching and Updates
Frequent updates and patch installations from Adobe can help address vulnerabilities and enhance the security of Acrobat Reader.