CVE-2022-40514 : Exploit Details and Defense Strategies
Memory corruption vulnerability (CVE-2022-40514) in Qualcomm Snapdragon products allows attackers to execute arbitrary code via a buffer copy operation in WLAN Firmware. Learn about impact, affected versions, and mitigation.
A memory corruption vulnerability has been identified in Qualcomm Snapdragon products, impacting a wide range of versions. The vulnerability allows an attacker to execute arbitrary code by exploiting a buffer copy operation in WLAN Firmware. Here is what you need to know about CVE-2022-40514.
Understanding CVE-2022-40514
This section provides insight into the nature and impact of the vulnerability.
What is CVE-2022-40514?
The vulnerability involves memory corruption resulting from a buffer copy operation without proper input size verification in WLAN Firmware when processing the CCKM IE in reassoc response frame.
The Impact of CVE-2022-40514
The vulnerability has been assigned a CVSS base score of 9.8, indicating critical severity. It has a high impact on confidentiality, integrity, and availability, with an attack vector over the network.
Technical Details of CVE-2022-40514
In this section, we delve into the specifics of the vulnerability.
Vulnerability Description
The vulnerability arises from the lack of validation for input size during a buffer copy operation in WLAN Firmware, enabling attackers to trigger memory corruption and potentially execute arbitrary code.
Affected Systems and Versions
Qualcomm Snapdragon products across various platforms are impacted by this vulnerability, including versions like AQT1000, AR8031, AR8035, and a wide range of others.
Exploitation Mechanism
To exploit this vulnerability, an attacker would need to send a specially crafted reassoc response frame containing a malicious CCKM IE, triggering the buffer copy operation without input size verification.
Mitigation and Prevention
This section outlines the steps to mitigate the risk posed by CVE-2022-40514.
Immediate Steps to Take
Users are advised to apply the patches and security updates provided by Qualcomm to address the vulnerability promptly. It is crucial to keep WLAN Firmware up to date to prevent exploitation.
Long-Term Security Practices
Implementing security best practices, such as network segmentation, access controls, and regular security audits, can help enhance overall security posture and mitigate similar vulnerabilities.
Patching and Updates
Regularly checking for firmware updates and applying patches released by Qualcomm is essential to protect systems and devices from known vulnerabilities.