CVE-2021-28560 : What You Need to Know
Adobe Acrobat Reader DC versions are vulnerable to a Heap-based Buffer Overflow flaw. Discover the impact, technical details, and mitigation steps for CVE-2021-28560.
A Heap-based Buffer Overflow vulnerability has been discovered in Adobe Acrobat Reader, affecting versions 2021.001.20150, 2020.001.30020, and 2017.011.30194. This flaw could allow an unauthenticated attacker to execute arbitrary code on the victim's system.
Understanding CVE-2021-28560
This section delves into the details of the Adobe Acrobat Reader vulnerability.
What is CVE-2021-28560?
Adobe Acrobat Reader DC versions 2021.001.20150, 2020.001.30020, and 2017.011.30194 are susceptible to a Heap-based Buffer Overflow flaw. Exploitation could lead to arbitrary code execution by an attacker without authentication.
The Impact of CVE-2021-28560
With a CVSS base score of 8.8, this vulnerability has a high impact on confidentiality, integrity, and availability. User interaction is required for successful exploitation.
Technical Details of CVE-2021-28560
Exploring the technical aspects of the Adobe Acrobat Reader vulnerability.
Vulnerability Description
The vulnerability stems from a Heap-based Buffer Overflow, categorized as CWE-122, enabling attackers to execute malicious code in the context of the current user.
Affected Systems and Versions
Acrobat Reader versions 2021.001.20150, 2020.001.30020, and 2017.011.30194 are confirmed to be impacted by this security flaw.
Exploitation Mechanism
Successful exploitation of CVE-2021-28560 requires a victim to interact with a specially crafted malicious file.
Mitigation and Prevention
Discover the steps to mitigate the risks associated with CVE-2021-28560.
Immediate Steps to Take
Users are advised to apply security patches promptly, be cautious while opening files from untrusted sources, and consider limiting user privileges.
Long-Term Security Practices
Implementing robust security practices, conducting regular security audits, and educating users on safe computing habits can enhance overall defense against such vulnerabilities.
Patching and Updates
Regularly check for updates from Adobe and apply patches as soon as they are available to ensure protection against known vulnerabilities.