CVE-2019-14563 : Security Advisory and Response

EDK II has a vulnerability related to integer truncation that could potentially be exploited by an authorized user to escalate their privileges through local access.

Understanding CVE-2019-14563

EDK II vulnerability allowing an authenticated user to potentially enable escalation of privilege via local access.

What is CVE-2019-14563?

The CVE-2019-14563 vulnerability in EDK II involves integer truncation, which could be abused by an authorized user to escalate their privileges locally.

The Impact of CVE-2019-14563

An attacker with local access could exploit this vulnerability to elevate their privileges, potentially leading to unauthorized actions on the affected system.

Technical Details of CVE-2019-14563

EDK II vulnerability details and affected systems.

Vulnerability Description

The vulnerability in EDK II is related to integer truncation, enabling an authenticated user to escalate their privileges through local access.

Affected Systems and Versions

Product: Extensible Firmware Interface Development Kit (EDK II)
Version: EDK II

Exploitation Mechanism

An authorized user can exploit the integer truncation vulnerability in EDK II to escalate their privileges locally.

Mitigation and Prevention

Steps to mitigate and prevent the CVE-2019-14563 vulnerability.

Immediate Steps to Take

Apply security updates promptly to address the vulnerability in EDK II.
Monitor and restrict access to sensitive systems to prevent unauthorized privilege escalation.

Long-Term Security Practices

Regularly update and patch software to protect against known vulnerabilities.
Implement the principle of least privilege to limit user access rights and reduce the impact of potential exploits.
Conduct security training for users to raise awareness about privilege escalation risks.

Patching and Updates

Stay informed about security updates and patches released by the vendor to address vulnerabilities like CVE-2019-14563.