CVE-2023-20758 : Security Advisory and Response

An overview of the CVE-2023-20758 vulnerability in MediaTek products.

Understanding CVE-2023-20758

Insights into the details and impact of CVE-2023-20758.

What is CVE-2023-20758?

CVE-2023-20758 is a vulnerability found in MediaTek's cmdq component, involving a potential memory corruption due to a missing bounds check. This flaw could be exploited by an attacker to cause local denial of service, requiring System execution privileges but not necessitating user interaction for exploitation. The associated Patch ID is ALPS07636133, with the Issue ID being ALPS07636130.

The Impact of CVE-2023-20758

The impact of this vulnerability is significant as it could lead to local denial of service within MediaTek products, potentially affecting the overall system stability and performance.

Technical Details of CVE-2023-20758

A deeper dive into the technical aspects of CVE-2023-20758.

Vulnerability Description

The vulnerability arises from a lack of proper bounds checking in the cmdq component, allowing for potential memory corruption that can be exploited to trigger a denial of service condition.

Affected Systems and Versions

The CVE-2023-20758 vulnerability affects a range of MediaTek products including MT6739, MT6768, MT6771, MT6781, MT6785, MT6833, MT6853, MT6853T, MT6873, MT6877, MT6883, MT6885, MT6889, MT6893, MT8786, MT8789, and MT8797. The impacted versions include Android 12.0 and 13.0.

Exploitation Mechanism

Exploiting this vulnerability requires local access and System execution privileges, without the need for user interaction. Attackers could potentially exploit this flaw to cause a denial of service on affected systems.

Mitigation and Prevention

Best practices to mitigate and prevent the exploitation of CVE-2023-20758.

Immediate Steps to Take

Organizations using affected MediaTek products should apply the provided Patch ID: ALPS07636133 to address the vulnerability promptly.
Monitor for any unusual system behavior that may indicate a potential exploitation attempt.

Long-Term Security Practices

Implement regular security updates and patches from MediaTek to stay protected against known vulnerabilities.
Conduct regular security assessments and audits to identify and address any potential vulnerabilities proactively.

Patching and Updates

Stay informed about security bulletins and updates released by MediaTek to patch vulnerabilities like CVE-2023-20758.