CVE-2019-11098 : Security Advisory and Response

MdeModulePkg in EDKII lacks proper input validation, potentially enabling unauthorized access and leading to privilege escalation, denial of service, and information disclosure.

Understanding CVE-2019-11098

This CVE involves a vulnerability in MdeModulePkg in EDKII that could be exploited for various malicious activities.

What is CVE-2019-11098?

CVE-2019-11098 is a security vulnerability in Tianocore's MdeModulePkg in EDKII due to insufficient input validation.

The Impact of CVE-2019-11098

The vulnerability could allow an attacker without proper authentication to exploit physical access, resulting in privilege escalation, denial of service, and potential information disclosure.

Technical Details of CVE-2019-11098

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

MdeModulePkg in EDKII lacks proper input validation, opening the door for unauthorized access and various malicious activities.

Affected Systems and Versions

Product: Tianocore
Vendor: Not applicable
Versions: See references

Exploitation Mechanism

The vulnerability could be exploited by an attacker without proper authentication through physical access, leading to privilege escalation, denial of service, and potential information disclosure.

Mitigation and Prevention

Protecting systems from CVE-2019-11098 is crucial to maintaining security.

Immediate Steps to Take

Implement proper input validation mechanisms in MdeModulePkg to prevent unauthorized access.
Regularly monitor and restrict physical access to vulnerable systems.

Long-Term Security Practices

Conduct regular security audits and assessments to identify and address vulnerabilities promptly.
Educate users and administrators on best security practices to prevent unauthorized access.

Patching and Updates

Stay informed about security updates and patches provided by Tianocore to address the vulnerability effectively.