CVE-2023-33028 : Security Advisory and Response

A detailed overview of CVE-2023-33028 related to a memory corruption vulnerability in Qualcomm Snapdragon devices' WLAN Firmware.

Understanding CVE-2023-33028

This section provides insights into the vulnerability, its impact, technical details, and mitigation strategies.

What is CVE-2023-33028?

The vulnerability involves memory corruption in the WLAN Firmware during a memory copy of the Pairwise Master Key (PMK) cache.

The Impact of CVE-2023-33028

With a CVSS base score of 9.8 (Critical), the vulnerability can lead to high confidentiality, integrity, and availability impacts. It can be exploited remotely without user interaction.

Technical Details of CVE-2023-33028

Below are specific technical details of the vulnerability:

Vulnerability Description

The vulnerability stems from a buffer copy operation without proper input size validation within the WLAN Firmware of affected Qualcomm Snapdragon devices.

Affected Systems and Versions

Numerous Qualcomm Snapdragon products are impacted, including FastConnect, Immersive Home, IPQ series, QCA series, Snapdragon Mobile Platforms, and more.

Exploitation Mechanism

The vulnerability can be exploited over a network with a low attack complexity, posing significant risks to the confidentiality, integrity, and availability of the affected systems.

Mitigation and Prevention

Understanding the severity of CVE-2023-33028, immediate actions and long-term security practices are crucial for safeguarding systems.

Immediate Steps to Take

Apply patches and security updates provided by Qualcomm promptly.
Implement network segmentation and access controls to limit exposure.

Long-Term Security Practices

Regularly monitor security bulletins and updates from Qualcomm.
Conduct security assessments and penetration testing on Qualcomm-enabled devices.

Patching and Updates

Refer to Qualcomm's October 2023 security bulletin for specific guidance and patches to address CVE-2023-33028.