CVE-2023-20660 : What You Need to Know

This CVE record, assigned by MediaTek, involves a potential out-of-bounds read vulnerability in wlan that results from an integer overflow. The exploit could lead to local information disclosure, requiring System execution privileges but no user interaction. The patch ID for this issue is ALPS07588383.

Understanding CVE-2023-20660

This section delves into the details of CVE-2023-20660, shedding light on the vulnerability, its impact, technical aspects, and mitigation strategies.

What is CVE-2023-20660?

CVE-2023-20660 involves an out-of-bounds read vulnerability in wlan due to an integer overflow, potentially leading to local information disclosure. The exploitation of this vulnerability requires System execution privileges but does not necessitate user interaction.

The Impact of CVE-2023-20660

The impact of CVE-2023-20660 is significant as it could potentially expose sensitive information locally, posing a risk to the confidentiality of data on affected systems.

Technical Details of CVE-2023-20660

Here, we explore the technical aspects of CVE-2023-20660, focusing on the vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The vulnerability in wlan is caused by an integer overflow, leading to an out-of-bounds read issue that could be exploited to disclose local information without user interaction.

Affected Systems and Versions

The vulnerability impacts various MediaTek products, including MT5221, MT6879, MT6895, and others, running specific versions such as Android 12.0, 13.0, Yocto 3.1, 3.3, 4.0, and Linux-4.19 (for certain chipsets).

Exploitation Mechanism

Exploiting this vulnerability requires System execution privileges, as it allows malicious actors to trigger an out-of-bounds read in wlan, potentially leading to local information disclosure.

Mitigation and Prevention

In order to mitigate the risks associated with CVE-2023-20660, certain steps can be taken to enhance the security posture of affected systems and prevent exploitation.

Immediate Steps to Take

Immediate steps to address CVE-2023-20660 include applying the provided patch (ALPS07588383) and closely monitoring for any signs of unauthorized access or information disclosure.

Long-Term Security Practices

Implementing robust security practices, including regular security updates, vulnerability assessments, and access controls, can help safeguard systems from similar threats in the long term.

Patching and Updates

Regularly checking for security bulletins and updates from MediaTek, as well as promptly applying patches and fixes, is crucial to prevent potential exploitation of vulnerabilities like CVE-2023-20660.