CVE-2023-28568 : Security Advisory and Response

This CVE record was published on November 7, 2023, by Qualcomm. It involves an information disclosure vulnerability in WLAN HAL when the reception status handler is called.

Understanding CVE-2023-28568

This section delves into the details of CVE-2023-28568, highlighting its impact, technical aspects, affected systems, and mitigation strategies.

What is CVE-2023-28568?

CVE-2023-28568 is an information disclosure vulnerability that occurs in WLAN HAL when the reception status handler is invoked. This vulnerability could potentially lead to the exposure of sensitive information, particularly in the context of high confidentiality impact.

The Impact of CVE-2023-28568

With a base severity rated as "MEDIUM" and a CVSS v3.1 base score of 6.1, CVE-2023-28568 poses a significant risk due to its potential for high confidentiality impact. The attack complexity is considered low, with a local attack vector and low availability impact.

Technical Details of CVE-2023-28568

The technical details of CVE-2023-28568 include the vulnerability description, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability involves a buffer over-read in WLAN HAL, specifically triggered when the reception status handler is called. This flaw could allow an attacker to access sensitive information leading to an information disclosure risk.

Affected Systems and Versions

The vulnerability impacts various products within Qualcomm's Snapdragon platform, including versions like AQT1000, FastConnect series, QCA series, Snapdragon Mobile platforms, and many more. A wide range of Qualcomm products using WLAN HAL may be affected by this vulnerability.

Exploitation Mechanism

The exploitation of CVE-2023-28568 primarily occurs through invoking the reception status handler in WLAN HAL, leading to a buffer over-read situation and potential information exposure.

Mitigation and Prevention

To address CVE-2023-28568 and enhance security, specific measures can be taken to mitigate the risks associated with this vulnerability.

Immediate Steps to Take

System administrators and users are advised to monitor security bulletins and updates from Qualcomm to identify patches or fixes addressing CVE-2023-28568. Implementing these updates promptly can help reduce the risk of exploitation.

Long-Term Security Practices

Implementing secure coding practices, conducting regular security audits, and staying informed about the latest security threats can contribute to long-term security readiness against vulnerabilities like CVE-2023-28568.

Patching and Updates

Qualcomm users should proactively apply relevant patches and updates provided by the vendor to mitigate the vulnerability in WLAN HAL and prevent potential information disclosure incidents. Regularly updating system software and firmware is crucial for maintaining a secure environment.