CVE-2022-28257 : Vulnerability Insights and Analysis

Adobe Acrobat Reader DC Annotation Out-Of-Bounds Read Information Disclosure Vulnerability

Understanding CVE-2022-28257

Acrobat Reader DC versions 22.001.2011x and earlier, 20.005.3033x and earlier, and 17.012.3022x and earlier are affected by an out-of-bounds read vulnerability when parsing a crafted file.

What is CVE-2022-28257?

This vulnerability could lead to a read past the end of an allocated memory structure, allowing an attacker to bypass mitigations like ASLR. Exploitation requires user interaction through opening a malicious file.

The Impact of CVE-2022-28257

With a CVSS base score of 5.5 (Medium severity), the vulnerability has a high confidentiality impact, requiring no privileges and user interaction for exploitation.

Technical Details of CVE-2022-28257

Vulnerability Description

The vulnerability in Acrobat Reader DC allows for out-of-bounds read, potentially disclosing sensitive information.

Affected Systems and Versions

Adobe Acrobat Reader versions 22.001.2011x, 20.005.3033x, and 17.012.3022x, and earlier are vulnerable.

Exploitation Mechanism

An attacker can exploit this vulnerability by tricking a user into opening a specially crafted file, leading to the disclosure of sensitive data.

Mitigation and Prevention

Immediate Steps to Take

Users should update Acrobat Reader to the latest version available to mitigate the risk of exploitation.

Long-Term Security Practices

Regularly update software and exercise caution when opening files from untrusted or unknown sources.

Patching and Updates

Adobe has released patches to address this vulnerability. It is crucial to apply these updates promptly to ensure system security.