Learn about CVE-2022-40512, a high-severity buffer over-read vulnerability in Qualcomm Snapdragon WLAN firmware impacting various Snapdragon products. Find out the impact, affected systems, and mitigation steps.
This article provides detailed information about CVE-2022-40512, a vulnerability in Qualcomm Snapdragon products.
Understanding CVE-2022-40512
CVE-2022-40512 is a transient denial of service (DOS) vulnerability found in WLAN firmware due to a buffer over-read while processing probe response or beacon.
What is CVE-2022-40512?
The vulnerability allows attackers to exploit the buffer over-read issue in WLAN firmware, impacting the availability of affected systems.
The Impact of CVE-2022-40512
The vulnerability poses a high risk with a CVSS v3.1 base score of 7.5, indicating a significant impact on affected Qualcomm Snapdragon devices' availability.
Technical Details of CVE-2022-40512
This section covers essential technical details about the CVE-2022-40512 vulnerability.
Vulnerability Description
The vulnerability results from a buffer over-read issue in WLAN firmware when processing probe responses or beacons.
Affected Systems and Versions
Qualcomm Snapdragon products such as APQ8009, APQ8017, APQ8064AU, APQ8076, and many others are affected by this vulnerability.
Exploitation Mechanism
Attackers can exploit this vulnerability remotely over the network without requiring any privileges, making it easier for malicious actors to disrupt device availability.
Mitigation and Prevention
It is crucial to take immediate steps to address the CVE-2022-40512 vulnerability and prevent potential exploitation.
Immediate Steps to Take
Ensure to apply relevant security patches provided by Qualcomm to mitigate the vulnerability and protect affected systems.
Long-Term Security Practices
Implement best security practices such as regular firmware updates, network segmentation, and monitoring to enhance overall device security.
Patching and Updates
Regularly check for firmware updates and security bulletins from Qualcomm to stay informed about patches and fixes for known vulnerabilities.