CVE-2022-28260 : What You Need to Know

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

Understanding CVE-2022-28260

This CVE affects Adobe Acrobat Reader versions 22.001.2011x and earlier, 20.005.3033x and earlier, 17.012.3022x and earlier. It is an out-of-bounds read vulnerability that could lead to disclosure of sensitive information.

What is CVE-2022-28260?

The vulnerability in Acrobat Reader DC allows an attacker to read past the end of allocated memory by parsing a crafted file. This could enable them to bypass security mitigations like ASLR, requiring user interaction by opening a malicious file.

The Impact of CVE-2022-28260

With a CVSS base score of 5.5 (Medium), the vulnerability has a high impact on confidentiality by allowing unauthorized disclosure of information. It requires no special privileges or user interaction to be exploited.

Technical Details of CVE-2022-28260

Vulnerability Description

The vulnerability arises due to an out-of-bounds read issue in parsing certain files, potentially leading to the exposure of sensitive information beyond the allocated memory structure.

Affected Systems and Versions

The vulnerability affects Adobe Acrobat Reader DC versions 22.001.2011x and earlier, 20.005.3033x and earlier, 17.012.3022x and earlier.

Exploitation Mechanism

Exploiting this vulnerability involves manipulating a crafted file that forces the application to read beyond the intended memory boundaries, which could be leveraged for information disclosure.

Mitigation and Prevention

Immediate Steps to Take

Users are advised to update Adobe Acrobat Reader DC to the latest version available, ensuring that security patches are applied promptly to mitigate the risk of exploitation.

Long-Term Security Practices

Implementing security best practices such as avoiding opening files from untrusted sources and maintaining updated security software can help prevent exploitation of similar vulnerabilities.

Patching and Updates

Adobe has provided a security advisory (APSB22-16) detailing this vulnerability and recommending users to update to the latest version of Acrobat Reader DC to address the issue.