CVE-2022-28255 : What You Need to Know

This article provides an overview of CVE-2022-28255, a vulnerability affecting Adobe's Acrobat Reader DC with detailed insights into its impact, technical details, and mitigation strategies.

Understanding CVE-2022-28255

CVE-2022-28255 is an out-of-bounds read vulnerability impacting Adobe's Acrobat Reader DC, potentially leading to information disclosure.

What is CVE-2022-28255?

Adobe Acrobat Reader DC versions 22.001.2011x, 20.005.3033x, and 17.012.3022x are vulnerable to an out-of-bounds read issue when processing specific files. This flaw could allow an attacker to read beyond the allocated memory structure, potentially bypassing certain security measures.

The Impact of CVE-2022-28255

The vulnerability's CVSS base score is 5.5, indicating a medium severity issue with a high impact on confidentiality. Exploitation necessitates user interaction, where opening a malicious file by a victim could trigger the vulnerability.

Technical Details of CVE-2022-28255

This section dives into the vulnerability's technical aspects, including the description, affected systems, versions, and exploitation mechanism.

Vulnerability Description

The security flaw in Acrobat Reader DC could result in a scenario where an attacker obtains sensitive information due to out-of-bounds memory read. This may compromise the confidentiality of data.

Affected Systems and Versions

Affected Products: Acrobat Reader
Vendor: Adobe
Vulnerable Versions: 22.001.20085 and earlier, 20.005.3031x and earlier, 17.012.30205 and earlier

Exploitation Mechanism

To exploit CVE-2022-28255, a threat actor needs to craft a malicious file that, when opened, triggers the vulnerability, enabling unauthorized data access.

Mitigation and Prevention

Learn about the immediate actions and long-term security practices to safeguard systems from CVE-2022-28255.

Immediate Steps to Take

Users are advised to exercise caution when opening files from unknown or untrusted sources to minimize the risk of exploitation. Adobe may provide patches or updates to address this vulnerability.

Long-Term Security Practices

Implement security best practices such as keeping software up-to-date, employing security solutions, and conducting regular security assessments to enhance overall protection.

Patching and Updates

Stay informed about security advisories from Adobe and apply patches promptly to mitigate the risk posed by CVE-2022-28255.