CVE-2023-33056 Explained : Impact and Mitigation

This article provides detailed information about CVE-2023-33056, a vulnerability in Qualcomm's Snapdragon products.

Understanding CVE-2023-33056

This section will cover what CVE-2023-33056 is, its impact, technical details, and mitigation strategies.

What is CVE-2023-33056?

CVE-2023-33056 involves a Transient DOS vulnerability in WLAN Firmware when firmware receives a beacon including T2LM IE.

The Impact of CVE-2023-33056

The vulnerability has a CVSS base score of 7.5 (High), with a significant impact on availability when exploited.

Technical Details of CVE-2023-33056

This section will delve into the vulnerability description, affected systems, and exploitation mechanism.

Vulnerability Description

The vulnerability is characterized by a NULL Pointer dereference in WLAN Firmware, which could potentially lead to denial-of-service attacks.

Affected Systems and Versions

Several Qualcomm Snapdragon products such as AR8035, CSR8811, FastConnect series, Immersive Home platforms, IPQ series, QCA series, Snapdragon 8 Gen 2, and more are impacted.

Exploitation Mechanism

The vulnerability occurs when the firmware receives a beacon containing T2LM IE, triggering a transient denial-of-service condition.

Mitigation and Prevention

This section outlines immediate steps to take and long-term security practices to mitigate the risks associated with CVE-2023-33056.

Immediate Steps to Take

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

Long-Term Security Practices

Implementing secure coding practices, regular security assessments, and monitoring WLAN traffic can enhance overall network security.

Patching and Updates

Regularly check for firmware updates and security bulletins from Qualcomm to stay protected against potential vulnerabilities.