CVE-2023-20747 : Vulnerability Insights and Analysis

This CVE record was published by MediaTek on June 6, 2023, and relates to a possible memory corruption vulnerability in vcu. The vulnerability could result in local denial of service with the requirement of System execution privileges. Exploiting this vulnerability does not necessitate any user interaction.

Understanding CVE-2023-20747

This section provides insight into the nature of CVE-2023-20747, its impact, technical details, and mitigation strategies.

What is CVE-2023-20747?

CVE-2023-20747 is a vulnerability identified in vcu, which could potentially lead to memory corruption due to type confusion. The exploitation of this vulnerability has the potential to cause a local denial of service, requiring System execution privileges without the need for user interaction.

The Impact of CVE-2023-20747

The impact of CVE-2023-20747 includes the risk of local denial of service on affected systems. Understanding the severity and implications of this vulnerability is crucial for implementing effective mitigation measures.

Technical Details of CVE-2023-20747

Explore the technical aspects of CVE-2023-20747, including vulnerability description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability in vcu involves memory corruption resulting from type confusion. This flaw could be exploited to trigger a local denial of service, impacting system stability and performance.

Affected Systems and Versions

The vulnerability affects a range of MediaTek products including MT5696, MT5836, MT6833, and more. Specific versions like Android 12.0, 13.0 / Yocto 4.0 / Iot-Yocto 22.2 are confirmed to be vulnerable to this issue.

Exploitation Mechanism

Exploiting CVE-2023-20747 does not require user interaction. Attackers can potentially exploit this vulnerability to trigger memory corruption and initiate a denial of service attack on affected systems.

Mitigation and Prevention

Take proactive steps to mitigate the risks associated with CVE-2023-20747. Implement immediate measures and establish long-term security practices to enhance system resilience.

Immediate Steps to Take

Ensure systems running the affected MediaTek products are updated with the provided patch (Patch ID: ALPS07519103; Issue ID: ALPS07519121). Consider isolating vulnerable systems and monitoring for any suspicious activity.

Long-Term Security Practices

Enhance overall system security by regularly updating software, conducting security assessments, and promoting a security-aware culture within the organization. Stay vigilant for any potential vulnerabilities and promptly address them.

Patching and Updates

Regularly check for security bulletins and updates from MediaTek to stay informed about patches related to CVE-2023-20747. Timely application of patches is crucial to prevent exploitation and safeguard system integrity.