CVE-2021-28210 : What You Need to Know

This article provides details about CVE-2021-28210, focusing on an unlimited recursion vulnerability in DxeCore in EDK II.

Understanding CVE-2021-28210

This section delves into the impact, technical details, and mitigation strategies related to CVE-2021-28210.

What is CVE-2021-28210?

CVE-2021-28210 involves an unlimited recursion vulnerability in DxeCore within the EDK II platform, potentially leading to security exploits.

The Impact of CVE-2021-28210

The vulnerability can be exploited to trigger an infinite loop within DxeCore, resulting in system instability and potential crashes.

Technical Details of CVE-2021-28210

Explore the specific aspects of the vulnerability, including the description, affected systems, and exploitation mechanism.

Vulnerability Description

The issue stems from an unlimited recursion scenario in DxeCore, part of the EDK II platform, leaving systems exposed to potential risks.

Affected Systems and Versions

The vulnerability affects EDK II systems using version 'edk2-stable202008' with unspecified custom versions.

Exploitation Mechanism

By leveraging the unlimited recursion flaw in DxeCore, threat actors can manipulate the system, leading to critical stack and heap corruptions.

Mitigation and Prevention

Learn about immediate steps and long-term practices to prevent and address CVE-2021-28210.

Immediate Steps to Take

System administrators should prioritize applying patches and workaround solutions to mitigate the vulnerability's exploitation.

Long-Term Security Practices

Implement robust security protocols, conduct regular system audits, and stay informed about EDK II updates to enhance long-term protection.

Patching and Updates

Stay vigilant for security advisories and promptly apply patches released by TianoCore for EDK II to address CVE-2021-28210.