CVE-2021-35089 : Exploit Details and Defense Strategies

Snapdragon Auto by Qualcomm, Inc. is impacted by a CVE due to a possible buffer overflow vulnerability. The vulnerability arises from the lack of input IB amount validation while processing user commands.

Understanding CVE-2021-35089

This CVE details a buffer overflow vulnerability affecting Snapdragon Auto by Qualcomm, Inc.

What is CVE-2021-35089?

The CVE-2021-35089 vulnerability in Snapdragon Auto is caused by insufficient input validation, potentially leading to a buffer overflow.

The Impact of CVE-2021-35089

With a CVSS base score of 8.4, this high-severity vulnerability can result in confidentiality, integrity, and availability impacts.

Technical Details of CVE-2021-35089

This section delves into the specifics of the vulnerability affecting Snapdragon Auto.

Vulnerability Description

The vulnerability involves a buffer overflow due to the absence of input IB amount validation during user command processing.

Affected Systems and Versions

Qualcomm's Snapdragon Auto products including versions QCA6574AU, QCA6696, and SA8155P are impacted by this vulnerability.

Exploitation Mechanism

The vulnerability can be exploited locally with low attack complexity, potentially leading to high impacts on confidentiality, integrity, and availability.

Mitigation and Prevention

To mitigate the risks associated with CVE-2021-35089, immediate and long-term security measures are required.

Immediate Steps to Take

It is recommended to apply security patches provided by Qualcomm and monitor official bulletins for updates.

Long-Term Security Practices

Implement secure coding practices, conduct regular security assessments, and stay informed about potential vulnerabilities in Snapdragon Auto.

Patching and Updates

Regularly update Snapdragon Auto devices with the latest patches and follow best practices to enhance system security.