CVE-2019-14562 : Vulnerability Insights and Analysis

An authenticated user with local access may potentially cause a denial of service in DxeImageVerificationHandler() EDK II due to integer overflow.

Understanding CVE-2019-14562

Integer overflow in DxeImageVerificationHandler() EDK II may allow an authenticated user to potentially enable denial of service via local access.

What is CVE-2019-14562?

CVE-2019-14562 is a vulnerability in the Extensible Firmware Interface Development Kit (EDK II) that could be exploited by an authenticated user with local access to trigger a denial of service due to an integer overflow in DxeImageVerificationHandler().

The Impact of CVE-2019-14562

The vulnerability could lead to a denial of service condition, potentially disrupting the normal operation of the affected system.

Technical Details of CVE-2019-14562

Vulnerability Description

An authenticated user with local access can exploit an integer overflow in DxeImageVerificationHandler() EDK II to cause a denial of service.

Affected Systems and Versions

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

Exploitation Mechanism

The vulnerability can be triggered by an authenticated user with local access through the integer overflow in DxeImageVerificationHandler() EDK II.

Mitigation and Prevention

Immediate Steps to Take

Apply security updates provided by the vendor promptly.
Limit and monitor access to systems hosting the affected software.

Long-Term Security Practices

Regularly update and patch all software components to prevent known vulnerabilities.
Implement the principle of least privilege to restrict user access and minimize potential attack surfaces.
Conduct regular security assessments and audits to identify and address security weaknesses.

Patching and Updates

Check for security advisories from the vendor and apply patches or updates as soon as they are available.