CVE-2021-35106 Explained : Impact and Mitigation
Learn about CVE-2021-35106, a high-risk out-of-bound read vulnerability impacting Qualcomm Snapdragon products due to improper length calculation of WMI message. Find out the impact, affected systems, and mitigation steps.
This CVE affects multiple Qualcomm products such as Snapdragon Auto, Compute, Connectivity, and more, leading to a possible out-of-bound read vulnerability due to improper length calculation of WMI message.
Understanding CVE-2021-35106
This section provides insights into the impact, technical details, and mitigation strategies related to CVE-2021-35106.
What is CVE-2021-35106?
CVE-2021-35106 is a potential out-of-bound read vulnerability in various Qualcomm products, caused by improper length calculation of WMI message, impacting a range of Snapdragon devices.
The Impact of CVE-2021-35106
The vulnerability poses a high risk with a CVSS base score of 7.8, affecting confidentiality, integrity, and availability of the affected systems.
Technical Details of CVE-2021-35106
This section delves into the specifics of the vulnerability including the description, affected systems, and exploitation mechanism.
Vulnerability Description
A buffer over-read vulnerability in WLAN Host due to incorrect WMI message length calculation, present in multiple Qualcomm Snapdragon products.
Affected Systems and Versions
Qualcomm products including Snapdragon Auto, Compute, and various other versions are vulnerable to this issue leading to a possible out-of-bound read.
Exploitation Mechanism
The vulnerability can be exploited locally with low privileges required, potentially enabling attackers to gain unauthorized access to sensitive information.
Mitigation and Prevention
This section outlines the immediate steps to take and long-term security practices to safeguard systems from CVE-2021-35106.
Immediate Steps to Take
It is crucial to apply security patches and updates provided by Qualcomm to address this vulnerability promptly.
Long-Term Security Practices
Implementing network segmentation, access controls, and regular security training can enhance overall security posture against similar vulnerabilities in the future.
Patching and Updates
Regularly monitor for security advisories from Qualcomm and promptly apply any patches released to mitigate the risk of exploitation.