CVE-2023-28548 : Security Advisory and Response

This CVE-2023-28548 advisory pertains to a memory corruption vulnerability found in the WLAN HAL of certain Qualcomm products.

Understanding CVE-2023-28548

This vulnerability involves memory corruption in WLAN HAL when processing Tx/Rx commands from QDART.

What is CVE-2023-28548?

CVE-2023-28548 is a memory corruption vulnerability identified in the WLAN HAL component of Qualcomm products. The flaw arises when handling Tx/Rx commands from QDART.

The Impact of CVE-2023-28548

The impact of this vulnerability is considered high, with a CVSS base score of 7.8 out of 10. It could lead to significant confidentiality, integrity, and availability issues, particularly in affected systems.

Technical Details of CVE-2023-28548

This section provides more in-depth technical insights into the vulnerability.

Vulnerability Description

The vulnerability results from improper validation of array index in WLAN HAL, making the system susceptible to memory corruption.

Affected Systems and Versions

Various products under the Snapdragon umbrella by Qualcomm are impacted by this vulnerability, including versions like AQT1000, AR8035, CSR8811, FastConnect series, Flight RB5 5G Platform, and more.

Exploitation Mechanism

The vulnerability can be exploited by an attacker to send malicious Tx/Rx commands via QDART, triggering memory corruption in the WLAN HAL component.

Mitigation and Prevention

It is crucial to take immediate action to mitigate the risks associated with CVE-2023-28548.

Immediate Steps to Take

Organizations using affected Qualcomm products should apply security patches promptly.
Implement network segmentation to limit the impact of potential exploitation.
Monitor network traffic for any suspicious activities that could indicate an attempted exploit.

Long-Term Security Practices

Regularly update firmware and software to ensure the latest security patches are in place.
Conduct regular security assessments and penetration testing to identify and address vulnerabilities proactively.
Provide security awareness training to staff to recognize and respond to potential threats effectively.

Patching and Updates

Qualcomm has released patches to address the CVE-2023-28548 vulnerability. Refer to the vendor's official security bulletin for detailed guidance on applying the necessary updates to mitigate the risk.