CVE-2023-28538 : Security Advisory and Response

This CVE was published by Qualcomm on September 5, 2023. It relates to a memory corruption vulnerability in the WIN Product while invoking the WinAcpi update driver in the UEFI region.

Understanding CVE-2023-28538

This section provides an overview and the impact of the CVE-2023-28538 vulnerability.

What is CVE-2023-28538?

The CVE-2023-28538 vulnerability involves memory corruption in the WIN Product during the invocation of the WinAcpi update driver in the UEFI region. This vulnerability can lead to a stack-based buffer overflow.

The Impact of CVE-2023-28538

The impact of CVE-2023-28538 is rated as high. The vulnerability has a CVSS v3.1 base score of 8.4, indicating a severe impact. It has a low attack complexity, requires no privileges, and has a high impact on confidentiality, integrity, and availability.

Technical Details of CVE-2023-28538

This section delves into the technical aspects of the CVE-2023-28538 vulnerability.

Vulnerability Description

The vulnerability involves a stack-based buffer overflow in the WIN Product triggered by the invocation of the WinAcpi update driver in the UEFI region.

Affected Systems and Versions

The CVE-2023-28538 vulnerability affects a wide range of Qualcomm Snapdragon platforms and versions, including AQT1000, CSRA6620, FastConnect series, QCA series, Snapdragon processors, and various other Qualcomm chipsets and platforms.

Exploitation Mechanism

The vulnerability can be exploited locally, with no user interaction required, making it particularly dangerous as an attacker with low privileges can potentially execute arbitrary code.

Mitigation and Prevention

Understanding how to mitigate and prevent the CVE-2023-28538 vulnerability is crucial for maintaining system security.

Immediate Steps to Take

System administrators and users should apply the latest security patches and updates provided by Qualcomm.
Implement proper access controls and restrictions to minimize the risk of exploitation.

Long-Term Security Practices

Regularly monitor for security advisories and updates from Qualcomm regarding vulnerabilities.
Conduct regular security assessments and audits to identify and address potential vulnerabilities proactively.

Patching and Updates

Ensure that all relevant Qualcomm Snapdragon platforms and versions are updated with the latest security patches to mitigate the CVE-2023-28538 vulnerability.
Follow best practices for patch management to stay protected against emerging security threats.