Understand the impact of CVE-2023-33047, a high-severity Qualcomm Snapdragon WLAN Firmware vulnerability affecting multiple Snapdragon platforms. Learn about the vulnerability, affected systems, and mitigation steps.
Understanding CVE-2023-33047
This article provides detailed information about CVE-2023-33047, a vulnerability affecting Qualcomm's Snapdragon processors.
What is CVE-2023-33047?
The CVE-2023-33047 vulnerability involves a Transient Denial of Service (DOS) in WLAN Firmware, specifically related to parsing no-inherit IES.
The Impact of CVE-2023-33047
The vulnerability can have a high impact on availability as it can lead to a DOS condition, affecting the performance and availability of devices utilizing the affected Snapdragon processors.
Technical Details of CVE-2023-33047
This section delves into the specific technical details of the CVE-2023-33047 vulnerability.
Vulnerability Description
The vulnerability arises due to a buffer over-read in WLAN Firmware, particularly during the parsing of no-inherit IES, which could be exploited by attackers to trigger a transient DOS condition.
Affected Systems and Versions
The CVE-2023-33047 vulnerability impacts various Snapdragon platforms, including Snapdragon Mobile, Compute, Connectivity, and more. Specific affected versions include AR8035, AR9380, CSR8811, and others.
Exploitation Mechanism
The vulnerability can be exploited by attackers sending malicious queries or data packets containing crafted parameters that trigger the buffer over-read condition.
Mitigation and Prevention
Mitigating the risks associated with CVE-2023-33047 is crucial to maintain device security and integrity.
Immediate Steps to Take
Immediately update the affected Qualcomm Snapdragon devices with the latest firmware provided by Qualcomm to patch the vulnerability and prevent exploitation.
Long-Term Security Practices
Incorporate regular security updates and firmware patches from Qualcomm to address known vulnerabilities and ensure the overall security posture of Snapdragon-based devices.
Patching and Updates
Regularly check for security bulletins and updates from Qualcomm to stay informed about the latest patches and security recommendations.