CVE-2021-27097 : Vulnerability Insights and Analysis

Das U-Boot's boot loader before 2021.04-rc2 fails to handle a modified FIT, leading to a high severity vulnerability.

Understanding CVE-2021-27097

This CVE identifies a vulnerability in Das U-Boot's boot loader, affecting system integrity, confidentiality, and availability.

What is CVE-2021-27097?

The boot loader in Das U-Boot before 2021.04-rc2 mishandles a modified FIT, which could be exploited by an attacker to impact system security.

The Impact of CVE-2021-27097

With a CVSS base score of 7.8, this high severity vulnerability can result in significant availability, integrity, and confidentiality issues in affected systems.

Technical Details of CVE-2021-27097

The following technical details outline the vulnerability in Das U-Boot's boot loader.

Vulnerability Description

Das U-Boot before 2021.04-rc2 fails to handle a modified FIT properly, opening up possibilities for exploitation.

Affected Systems and Versions

All versions of Das U-Boot before 2021.04-rc2 are impacted by this vulnerability, exposing systems to potential attacks.

Exploitation Mechanism

The vulnerability in Das U-Boot can be exploited locally, without requiring any special privileges, posing a notable risk to system security.

Mitigation and Prevention

To mitigate the risks associated with CVE-2021-27097, immediate actions and long-term security practices are recommended.

Immediate Steps to Take

Update Das U-Boot to version 2021.04-rc2 or later to patch the vulnerability and enhance system security.

Long-Term Security Practices

Regularly update and monitor system components to ensure vulnerabilities are promptly addressed and security is maintained.

Patching and Updates

Stay informed about security advisories and patches released by Das U-Boot to protect systems from potential threats.