CVE-2023-28571 Explained : Impact and Mitigation

This CVE-2023-28571 relates to an information disclosure vulnerability in the WLAN HOST component during the processing of the WLAN scan descriptor list, specifically in a roaming scan scenario.

Understanding CVE-2023-28571

This section will provide a deeper insight into the nature of the CVE-2023-28571 vulnerability.

What is CVE-2023-28571?

The CVE-2023-28571 vulnerability involves an information disclosure issue in WLAN HOST while handling the WLAN scan descriptor list during a roaming scan. This vulnerability can potentially result in the exposure of sensitive information to unauthorized entities.

The Impact of CVE-2023-28571

With a CVSS base score of 6.1, this vulnerability has a medium severity level. It poses a high risk in terms of confidentiality impact, potentially leading to the disclosure of sensitive data. The attack complexity is low, and it requires low privileges, but it has the potential to impact the availability of the affected system.

Technical Details of CVE-2023-28571

Delving into the technical aspects of CVE-2023-28571 to understand its implications.

Vulnerability Description

The vulnerability involves a buffer over-read in the WLAN HOST component, specifically during the processing of the WLAN scan descriptor list. This flaw could be exploited by threat actors to gain access to confidential information.

Affected Systems and Versions

The vulnerability affects various platforms under Qualcomm's Snapdragon umbrella, including Snapdragon Auto, Compute, Connectivity, Consumer Electronics Connectivity, Consumer IOT, Industrial IOT, Mobile, and Wearables. Multiple versions of Qualcomm products such as APQ8064AU, FastConnect series, MDM9650, MSM8996AU, and others are impacted.

Exploitation Mechanism

The vulnerability can be exploited through a local attack vector with low attack complexity. An attacker with low privileges could potentially exploit this vulnerability to access confidential information stored within the WLAN HOST component.

Mitigation and Prevention

Exploring the steps to mitigate the risks associated with CVE-2023-28571.

Immediate Steps to Take

It is crucial for users and administrators to apply the patches and updates released by Qualcomm to address this vulnerability promptly. Implementing access controls and monitoring WLAN activities can also help reduce the risk of exploitation.

Long-Term Security Practices

Maintaining regular security audits, conducting vulnerability assessments, and staying informed about security advisories from vendors are essential long-term practices to enhance the overall security posture and mitigate future vulnerabilities.

Patching and Updates

Users are strongly recommended to apply the security patches provided by Qualcomm to fix the vulnerability in the WLAN HOST component. Regularly updating firmware and software components can help in reducing the likelihood of exploitation and enhancing the security of the affected systems.