CVE-2020-3652 : Vulnerability Insights and Analysis
Learn about CVE-2020-3652, a buffer over-read vulnerability in Qualcomm's Snapdragon Compute and Connectivity products. Find out how to mitigate this security risk.
A possible buffer over-read issue in the Windows x86 WLAN driver function affecting Snapdragon Compute and Snapdragon Connectivity by Qualcomm.
Understanding CVE-2020-3652
This CVE involves a buffer over-read issue in WLAN drivers, potentially leading to security vulnerabilities.
What is CVE-2020-3652?
The vulnerability arises from a lack of length check in processing beacon or request frames in Windows x86 WLAN drivers.
The Impact of CVE-2020-3652
The vulnerability could be exploited to trigger buffer over-read, potentially leading to security breaches and unauthorized access.
Technical Details of CVE-2020-3652
This section provides detailed technical insights into the vulnerability.
Vulnerability Description
The issue stems from a lack of length validation in the WLAN driver function, allowing potential buffer over-read.
Affected Systems and Versions
- Products: Snapdragon Compute, Snapdragon Connectivity
- Versions: MSM8998, QCA6390, SC7180, SC8180X, SDM850
Exploitation Mechanism
Attackers can exploit this vulnerability by manipulating beacon or request frames to trigger buffer over-read.
Mitigation and Prevention
Protect your systems from CVE-2020-3652 with the following steps:
Immediate Steps to Take
- Apply patches and updates provided by Qualcomm promptly.
- Monitor vendor security bulletins for any additional guidance.
Long-Term Security Practices
- Regularly update WLAN drivers and firmware to mitigate potential vulnerabilities.
- Implement network segmentation and access controls to limit the impact of any successful exploitation.
Patching and Updates
- Stay informed about security updates and patches released by Qualcomm.
- Ensure timely installation of patches to address the CVE-2020-3652 vulnerability.