CVE-2021-1962 : Vulnerability Insights and Analysis
Learn about CVE-2021-1962, a buffer overflow vulnerability impacting Qualcomm products like Snapdragon Mobile and Wearables. Explore its impact, affected systems, and mitigation steps.
A buffer overflow vulnerability was discovered in Qualcomm products, including Snapdragon Auto, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables, Snapdragon Wired Infrastructure, and Networking, potentially allowing attackers to execute arbitrary code. This vulnerability arises due to improper validation of input size while processing IOCTL for getting peripheral endpoint information.
Understanding CVE-2021-1962
This section delves into the details of the CVE-2021-1962 vulnerability.
What is CVE-2021-1962?
The vulnerability involves a buffer overflow when handling IOCTL for retrieving peripheral endpoint information, exposing affected Qualcomm products to potential exploitation.
The Impact of CVE-2021-1962
With a CVSS base score of 6.7, this vulnerability has a medium severity level. It can lead to a high impact on confidentiality, integrity, and availability, particularly affecting local systems.
Technical Details of CVE-2021-1962
Let's explore the technical aspects of CVE-2021-1962.
Vulnerability Description
The flaw results from a buffer overflow during the processing of IOCTLs to obtain peripheral endpoint details, highlighting a lack of proper input validation in the affected Qualcomm devices.
Affected Systems and Versions
The vulnerability impacts various Qualcomm products, encompassing a wide range of versions from AQT1000 to WSA8815.
Exploitation Mechanism
By exploiting this buffer overflow vulnerability, attackers could potentially trigger arbitrary code execution or disrupt system operations.
Mitigation and Prevention
Discover the necessary steps to mitigate and prevent the CVE-2021-1962 vulnerability.
Immediate Steps to Take
To address this issue promptly, affected users should apply relevant security patches provided by Qualcomm and monitor for any unusual system behavior.
Long-Term Security Practices
Implementing robust input validation mechanisms and regularly updating software can enhance the overall security posture against buffer overflow vulnerabilities.
Patching and Updates
Staying vigilant for security advisories from Qualcomm and promptly applying recommended patches can help prevent exploitation of this vulnerability.