CVE-2022-28249 : Exploit Details and Defense Strategies

Adobe Acrobat Reader DC version 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, potentially allowing an attacker to bypass certain mitigations. User interaction is required for exploitation.

Understanding CVE-2022-28249

This CVE pertains to an out-of-bounds read vulnerability impacting Adobe Acrobat Reader DC.

What is CVE-2022-28249?

Adobe Acrobat Reader DC versions are susceptible to an out-of-bounds read vulnerability that can lead to reading beyond allocated memory, potentially enabling an attacker to bypass ASLR mitigations.

The Impact of CVE-2022-28249

The vulnerability could be exploited through a crafted file, requiring a victim to open the malicious file, potentially resulting in information disclosure due to the out-of-bounds read.

Technical Details of CVE-2022-28249

This section covers the technical aspects of the vulnerability.

Vulnerability Description

The vulnerability in Adobe Acrobat Reader DC could allow an attacker to read past the end of an allocated memory structure.

Affected Systems and Versions

Versions 22.001.2011x, 20.005.3033x, and 17.012.3022x of Adobe Acrobat Reader DC are affected.

Exploitation Mechanism

Exploitation of this issue requires user interaction where a victim must open a malicious file to trigger the vulnerability.

Mitigation and Prevention

Here are the steps to mitigate and prevent exploitation of CVE-2022-28249.

Immediate Steps to Take

Users should update Adobe Acrobat Reader DC to the latest version to mitigate the vulnerability.

Long-Term Security Practices

Regularly update software and exercise caution while opening files from untrusted sources to prevent similar vulnerabilities.

Patching and Updates

Stay informed about security updates from Adobe and apply patches promptly to secure systems.