Learn about CVE-2023-21660, a critical Transient DOS issue in Qualcomm's Snapdragon WLAN Firmware, impacting FT Information Elements parsing. Mitigation steps and system protection guidelines available.
This CVE-2023-21660 focuses on a vulnerability in Qualcomm's Snapdragon products relating to a Transient DOS in WLAN Firmware while parsing FT Information Elements.
Understanding CVE-2023-21660
CVE-2023-21660 highlights a specific vulnerability found in Qualcomm's Snapdragon line.
What is CVE-2023-21660?
The vulnerability in focus arises from a Transient DOS issue found in the WLAN Firmware when processing FT Information Elements.
The Impact of CVE-2023-21660
This vulnerability carries a high availability impact, with a base severity score of 7.5, making it a critical issue that could potentially lead to service disruption.
Technical Details of CVE-2023-21660
This section delves into the specific technical aspects of the CVE.
Vulnerability Description
The vulnerability involves a Buffer Over-read in the WLAN Firmware, which occurs during the parsing of FT Information Elements.
Affected Systems and Versions
Several Qualcomm Snapdragon products are impacted by this vulnerability, including versions like CSR8811, FastConnect 6700, FastConnect 6900, and others in the Snapdragon lineup.
Exploitation Mechanism
The vulnerability can be exploited through a network attack vector with low attack complexity, highlighting the critical nature of the issue.
Mitigation and Prevention
Understanding how to mitigate and prevent this vulnerability is crucial for maintaining system security.
Immediate Steps to Take
It is recommended to apply security patches and updates provided by Qualcomm to address the vulnerability promptly.
Long-Term Security Practices
Additionally, implementing strong network security practices and regular system monitoring can help prevent potential exploitation of such vulnerabilities.
Patching and Updates
Regularly checking for and applying firmware updates and patches from Qualcomm will help ensure that systems are protected against known vulnerabilities, including CVE-2023-21660.