CVE-2023-24843 : Security Advisory and Response

This CVE record outlines a security vulnerability identified as CVE-2023-24843, which affects multiple versions of Qualcomm's Snapdragon products. The vulnerability involves a Transient DOS (Denial of Service) in the Modem when triggering a camping on a 5G cell.

Understanding CVE-2023-24843

This section delves into the details of CVE-2023-24843, shedding light on the nature and impact of this vulnerability.

What is CVE-2023-24843?

CVE-2023-24843 is a security vulnerability present in various Qualcomm Snapdragon products, leading to a Transient DOS issue in the modem specifically when a camping operation is triggered on a 5G cell.

The Impact of CVE-2023-24843

The vulnerability presents a high availability impact, with a CVSS base score of 7.5 (High severity). It can potentially be exploited through a network attack vector, with low attack complexity and no user interaction required.

Technical Details of CVE-2023-24843

In this section, we will explore the technical aspects of CVE-2023-24843, including the vulnerability description, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability leads to a Transient DOS in the Modem while triggering a camping operation on a 5G cell, posing a risk to the availability of the system.

Affected Systems and Versions

Qualcomm's Snapdragon products across various versions are impacted by this vulnerability, including but not limited to Snapdragon 5G IoT Modem, FastConnect series, QCA series, SD series, and more.

Exploitation Mechanism

The vulnerability can be exploited through network-based attacks, with no user privileges required to trigger the Transient DOS in the Modem.

Mitigation and Prevention

This section outlines the steps that can be taken to mitigate the risks associated with CVE-2023-24843 and prevent potential exploitation.

Immediate Steps to Take

Users and organizations are advised to apply security patches and updates provided by Qualcomm to address the vulnerability promptly.

Long-Term Security Practices

Implementing robust security measures, network segmentation, and access controls can help enhance overall system security and reduce the risk of exploitation.

Patching and Updates

Regularly monitoring for security bulletins and applying patches as soon as they are released by Qualcomm is crucial to safeguard systems against potential vulnerabilities like CVE-2023-24843.