CVE-2021-1953 : Security Advisory and Response
Learn about CVE-2021-1953, a vulnerability in multiple Qualcomm products leading to reachable assertion issues. Understand the impact, affected systems, and mitigation steps.
This article provides insights into CVE-2021-1953, a vulnerability affecting various Qualcomm products and versions.
Understanding CVE-2021-1953
CVE-2021-1953 involves the improper handling of malformed FTMR request frames, leading to a reachable assertion issue in multiple Qualcomm product lines.
What is CVE-2021-1953?
The vulnerability stems from the mishandling of malformed FTMR request frames, potentially triggering a reachable assertion when responding with FTM1 frames in a range of Qualcomm products.
The Impact of CVE-2021-1953
With a CVSS base score of 7.5 (High), the vulnerability poses a notable risk due to the potential for network-based exploitation and high impact on availability.
Technical Details of CVE-2021-1953
CVE-2021-1953 affects a wide array of Qualcomm products and versions, spanning Snapdragon Auto, Compute, Connectivity, and other product lines.
Vulnerability Description
The vulnerability arises from the incorrect handling of malformed FTMR request frames, resulting in a reachable assertion issue when responding with FTM1 frames.
Affected Systems and Versions
Qualcomm products impacted include Snapdragon Auto, Compute, Consumer Electronics Connectivity, and more, with a large list of affected versions.
Exploitation Mechanism
Exploiting this vulnerability requires no special privileges, as it has a low attack complexity and occurs over the network without user interaction.
Mitigation and Prevention
To address CVE-2021-1953, immediate steps must be taken to mitigate the risk and prevent potential exploitation.
Immediate Steps to Take
Organizations are advised to apply patches provided by Qualcomm to fix the vulnerability and enhance network security.
Long-Term Security Practices
Implementing robust network monitoring and intrusion detection systems can help in detecting and preventing similar vulnerabilities in the future.
Patching and Updates
Regularly update and patch Qualcomm products to ensure that known vulnerabilities are addressed promptly and the security posture is maintained.