CVE-2023-20730 : What You Need to Know

This CVE record was assigned by MediaTek and published on June 6, 2023. It involves a vulnerability in wlan that could lead to local information disclosure with system execution privileges required. Exploitation does not necessitate user interaction.

Understanding CVE-2023-20730

This section provides essential details about CVE-2023-20730, including its impact, technical description, affected systems, exploitation mechanism, and mitigation strategies.

What is CVE-2023-20730?

CVE-2023-20730 is a vulnerability in wlan that lacks proper bounds checking. This issue could potentially result in an out-of-bounds read, leading to local information disclosure. Successful exploitation of this vulnerability requires system execution privileges but does not depend on user interaction.

The Impact of CVE-2023-20730

The impact of CVE-2023-20730 is the potential disclosure of local information. Attackers could leverage this vulnerability to access sensitive data on affected systems, compromising user privacy and system confidentiality.

Technical Details of CVE-2023-20730

Understanding the technical aspects of CVE-2023-20730 is crucial for addressing and mitigating the associated risks effectively.

Vulnerability Description

The vulnerability in wlan, identified as CVE-2023-20730, stems from a missing bounds check. This flaw could be exploited to perform out-of-bounds reads, exposing sensitive information stored locally on the system.

Affected Systems and Versions

The following MediaTek products are affected by CVE-2023-20730: MT6985, MT7902, MT7921, MT8365, MT8518, and MT8532. The impacted versions include Android 13.0, as well as Yocto 3.1, 3.3, and 4.0.

Exploitation Mechanism

Exploiting CVE-2023-20730 does not require user interaction. Attackers with system execution privileges can leverage this vulnerability to gain unauthorized access to local information on the affected MediaTek devices.

Mitigation and Prevention

Addressing CVE-2023-20730 promptly and implementing robust security measures are vital to prevent potential exploitation and protect systems from security risks.

Immediate Steps to Take

Apply the provided patch ID ALPS07573552 to address the vulnerability.
Monitor for any signs of unauthorized access or information disclosure on the affected systems.

Long-Term Security Practices

Regularly update and patch all software and firmware to mitigate known vulnerabilities.
Conduct security assessments and audits to identify and address weak points in the system's security posture.

Patching and Updates

Stay informed about security bulletins and updates from MediaTek to ensure timely implementation of patches and security fixes. Regularly check for new patches and apply them promptly to safeguard against emerging threats.