CVE-2021-1935 : What You Need to Know
Learn about CVE-2021-1935, a high-severity vulnerability in Qualcomm products leading to null pointer dereference due to lack of validation checks. Find out about the impact, affected systems, and mitigation steps.
This article provides details about CVE-2021-1935, a vulnerability in Qualcomm products that could lead to a possible null pointer dereference due to a lack of validation check during key import.
Understanding CVE-2021-1935
CVE-2021-1935 is a security vulnerability found in Qualcomm products that can result in a null pointer dereference when a pointer is not properly validated during key import.
What is CVE-2021-1935?
The vulnerability in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, and other Qualcomm products allows an attacker to exploit a lack of validation check during key import, potentially leading to a null pointer dereference.
The Impact of CVE-2021-1935
The impact of this vulnerability is rated as high with a CVSS base score of 7.1. It can result in a denial of service due to a possible null pointer dereference.
Technical Details of CVE-2021-1935
This section covers the specific technical details of CVE-2021-1935.
Vulnerability Description
The vulnerability arises from a lack of validation check during key import, leading to a possible null pointer dereference in Snapdragon Auto, Snapdragon Compute, and other affected Qualcomm products.
Affected Systems and Versions
Qualcomm products impacted by this vulnerability include Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Voice & Music, and Snapdragon Wearables. The affected versions range across a wide array of products.
Exploitation Mechanism
The exploitation of CVE-2021-1935 occurs through a crafted application that triggers the null pointer dereference by utilizing the lack of proper validation checks during key import.
Mitigation and Prevention
To address CVE-2021-1935, immediate steps should be taken along with implementing long-term security practices and applying necessary patches and updates.
Immediate Steps to Take
Security patches or updates provided by Qualcomm should be applied promptly to mitigate the risk associated with this vulnerability.
Long-Term Security Practices
Implementing a robust security policy, conducting regular security audits, and staying informed about security bulletins can help prevent similar vulnerabilities.
Patching and Updates
Regularly check for updates and patches released by Qualcomm to ensure that your systems are protected from potential exploits.