CVE-2023-20568 : Security Advisory and Response

This CVE-2023-20568 was published on November 14, 2023, by AMD. It involves improper signature verification of RadeonTM RX Vega M Graphics driver for Windows, potentially allowing an attacker with admin privileges to execute arbitrary code by launching RadeonInstaller.exe without validating the file signature.

Understanding CVE-2023-20568

This section aims to provide a comprehensive understanding of the CVE-2023-20568 vulnerability.

What is CVE-2023-20568?

CVE-2023-20568 points towards an issue where the RadeonTM RX Vega M Graphics driver for Windows lacks proper signature verification. This lapse can be exploited by an attacker with admin privileges to execute arbitrary code.

The Impact of CVE-2023-20568

The impact of CVE-2023-20568 is severe as it allows for the execution of arbitrary code, which can result in various malicious activities being carried out on the affected system. This vulnerability poses a significant security risk to users.

Technical Details of CVE-2023-20568

In this section, we delve deeper into the technical aspects of CVE-2023-20568.

Vulnerability Description

The vulnerability lies in the improper signature verification process of the RadeonTM RX Vega M Graphics driver for Windows. This flaw enables an attacker with admin privileges to execute the RadeonInstaller.exe without validating the file signature, potentially leading to arbitrary code execution.

Affected Systems and Versions

The affected systems include various versions of AMD Software such as Adrenalin Edition 23.7.1 and PRO Edition 23.Q3, specifically on RadeonTM RX Vega Series Graphics Cards and RadeonTM PRO WX Vega Series Graphics Cards.

Exploitation Mechanism

The vulnerability can be exploited by an attacker who gains admin privileges on the system. By launching RadeonInstaller.exe without the necessity of validating the file signature, the attacker can potentially execute arbitrary code, posing a serious threat to the system's security.

Mitigation and Prevention

To safeguard systems from the risks associated with CVE-2023-20568, certain mitigation and prevention measures need to be taken.

Immediate Steps to Take

Users are advised to update their AMD Software to the latest versions that address this vulnerability.
Implement strict access controls to limit admin privileges on systems to prevent unauthorized access.

Long-Term Security Practices

Regularly monitor for security updates and patches released by AMD to stay protected against potential threats.
Conduct routine security audits and assessments to identify and address vulnerabilities proactively.

Patching and Updates

It is crucial for users to apply patches and updates promptly as soon as AMD releases fixes for CVE-2023-20568. Regularly updating software versions will help mitigate the risk of exploitation associated with this vulnerability.