CVE-2021-28213 : Security Advisory and Response

This article provides detailed information about CVE-2021-28213, a vulnerability affecting the EDK II software by TianoCore.

Understanding CVE-2021-28213

CVE-2021-28213 is a security issue in the EDK II software that involves an example encrypted private key in the IpSecDxe.efi file, potentially leading to security risks.

What is CVE-2021-28213?

The CVE-2021-28213 vulnerability is related to the presence of an example EDK2 encrypted private key in IpSecDxe.efi, which could pose security risks.

The Impact of CVE-2021-28213

This vulnerability could expose manufacturer key pairs in EDK II, leading to potential security threats and unauthorized access.

Technical Details of CVE-2021-28213

The technical details of CVE-2021-28213 include the vulnerability description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The presence of the example EDK2 encrypted private key in IpSecDxe.efi raises security concerns due to the inherent risks associated with exposing such sensitive information.

Affected Systems and Versions

The EDK II version affected by this vulnerability is edk2-stable201905, potentially impacting systems using this specific release.

Exploitation Mechanism

Exploiting this vulnerability could allow threat actors to access manufacturer key pairs stored in EDK II, compromising system integrity and confidentiality.

Mitigation and Prevention

Mitigating the CVE-2021-28213 vulnerability requires immediate actions and long-term security practices to enhance system protection.

Immediate Steps to Take

Users are advised to update their EDK II software to a patched version that addresses the encryption key issue to prevent unauthorized access.

Long-Term Security Practices

Implementing robust encryption protocols, securing private keys, and regular software updates are essential for maintaining system security.

Patching and Updates

Regularly check for security patches and updates from TianoCore to address vulnerabilities and improve system resilience.