CVE-2023-21632 : Vulnerability Insights and Analysis

This CVE-2023-21632 involves a memory corruption vulnerability in the Automotive GPU component of Snapdragon Auto by Qualcomm. The vulnerability occurs when querying a gsl memory node, leading to a stack-based buffer overflow.

Understanding CVE-2023-21632

This section will delve into the details of what CVE-2023-21632 entails.

What is CVE-2023-21632?

CVE-2023-21632 is a memory corruption vulnerability that specifically affects the Automotive GPU of Snapdragon Auto by Qualcomm. The vulnerability arises when querying a gsl memory node within the system, potentially resulting in a security breach.

The Impact of CVE-2023-21632

The impact of CVE-2023-21632 is significant, with a CVSS v3.1 base severity rating of High (8.4). It can have a high impact on confidentiality, integrity, and availability, making it crucial to address promptly to prevent potential exploitation.

Technical Details of CVE-2023-21632

In this section, we will explore the technical aspects of CVE-2023-21632, including the vulnerability description, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability involves a stack-based buffer overflow in the Automotive GPU component of Snapdragon Auto by Qualcomm. It occurs during the querying of a gsl memory node, leading to potential memory corruption issues.

Affected Systems and Versions

The following versions and platforms are confirmed to be affected by CVE-2023-21632:

Snapdragon Auto platforms
APQ8064AU
MSM8996AU
QAM8295P
QCA6564A
QCA6564AU
QCA6574A
QCA6574AU
QCA6584AU
QCA6595
QCA6595AU
QCA6696
QCA6698AQ
SA6145P
SA6150P
SA6155
SA6155P
SA8145P
SA8150P
SA8155
SA8155P
SA8195P
SA8295P
SA8540P
SA9000P
Snapdragon 820 Automotive Platform

Exploitation Mechanism

The vulnerability can be exploited locally with low attack complexity, requiring no special privileges. Upon successful exploitation, an attacker can impact the confidentiality, integrity, and availability of the affected system.

Mitigation and Prevention

To address CVE-2023-21632 and enhance system security, certain mitigation and prevention measures need to be implemented.

Immediate Steps to Take

Install security updates or patches provided by Qualcomm for the affected systems.
Consider limiting network access to vulnerable devices to reduce the attack surface.
Monitor system logs for any suspicious activities that may indicate exploitation attempts.

Long-Term Security Practices

Regularly update software and firmware to ensure the latest security patches are applied.
Conduct regular security assessments and audits to identify and address potential vulnerabilities proactively.
Educate system users on best practices for cybersecurity and encourage the reporting of any unusual system behavior.

Patching and Updates

Stay informed about security bulletins and updates released by Qualcomm to address CVE-2023-21632. Apply patches promptly to protect systems from potential exploitation and maintain a secure environment.