CVE-2021-35102 : Vulnerability Insights and Analysis
Learn about CVE-2021-35102, a high-severity buffer overflow vulnerability in Snapdragon Auto, Compute, Connectivity, and Mobile devices by Qualcomm, Inc. Understand its impact, affected systems, and mitigation steps.
A buffer overflow vulnerability, CVE-2021-35102, has been identified in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, and Snapdragon Mobile devices by Qualcomm, Inc. This CVE poses a high risk to the confidentiality, integrity, and availability of affected systems due to a lack of validation for the length of the NAI string read from EFS. Understanding the technical details, impact, and mitigation of this CVE is crucial for ensuring the security of your systems.
Understanding CVE-2021-35102
This section delves into the details of the CVE to provide a comprehensive understanding of the vulnerability.
What is CVE-2021-35102?
The vulnerability stems from a possible buffer overflow resulting from inadequate validation for the length of the NAI string read from EFS in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, and Snapdragon Mobile devices.
The Impact of CVE-2021-35102
With a CVSS base score of 7.8, this CVE is considered to have a high impact on affected systems. The vulnerability's high severity can lead to confidentiality, integrity, and availability compromises, making it crucial to address promptly.
Technical Details of CVE-2021-35102
Explore the specific technical aspects related to CVE-2021-35102 to better grasp the implications and potential risks involved.
Vulnerability Description
The vulnerability involves a buffer overflow due to the lack of validation for the NAI string's length when read from EFS in Qualcomm's Snapdragon Auto, Compute, Connectivity, and Mobile devices.
Affected Systems and Versions
A wide range of products and versions are affected by this vulnerability, including AR8035, QCA6390, QCA6391, SD675, SD865 5G, SD870, and many more used across different Qualcomm devices.
Exploitation Mechanism
The vulnerability's low attack complexity and local attack vector make it easier for threat actors to exploit, potentially leading to severe outcomes.
Mitigation and Prevention
Taking proactive steps to mitigate the risks associated with CVE-2021-35102 is crucial for safeguarding your systems and data.
Immediate Steps to Take
Immediate actions include applying relevant security patches, implementing security best practices, and monitoring for any signs of exploitation.
Long-Term Security Practices
Adopting a holistic approach to cybersecurity, including regular security assessments, employee training, and network segmentation, can help prevent similar vulnerabilities in the future.
Patching and Updates
Stay informed about security bulletins and updates released by Qualcomm, Inc., and ensure timely patching of affected devices and systems to address CVE-2021-35102.