CVE-2022-23428 : Security Advisory and Response

An improper boundary check in eden_runtime hal service prior to SMR Feb-2022 Release 1 allows arbitrary memory write and code execution.

Understanding CVE-2022-23428

This CVE impacts Samsung Mobile Devices with Exynos chipsets, affecting selected versions of Q(10.0), R(11.0), S(12.0) devices.

What is CVE-2022-23428?

CVE-2022-23428 is a vulnerability in eden_runtime hal service before SMR Feb-2022 Release 1, enabling unauthorized memory modification and potential code execution on affected devices.

The Impact of CVE-2022-23428

The vulnerability poses a high risk, with a CVSSv3.1 base score of 8.4, leading to high impacts on confidentiality, integrity, and availability of the system without requiring special user privileges.

Technical Details of CVE-2022-23428

The technical details of this CVE include the vulnerability description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability arises from an improper boundary check in the eden_runtime hal service, allowing attackers to perform arbitrary memory writes and potentially execute malicious code.

Affected Systems and Versions

Samsung Mobile Devices with Exynos chipsets running Q(10.0), R(11.0), S(12.0) versions before the SMR Feb-2022 Release 1 are impacted by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability locally with low complexity, potentially leading to high impact on system availability, integrity, and confidentiality.

Mitigation and Prevention

To mitigate the risks associated with CVE-2022-23428, immediate steps, long-term security practices, and patching strategies are crucial.

Immediate Steps to Take

Users are advised to apply security updates provided by Samsung Mobile, specifically the SMR Feb-2022 Release 1, to address this vulnerability promptly.

Long-Term Security Practices

In addition to applying patches, implementing robust security measures, such as network segmentation and access controls, can help prevent unauthorized access and exploits.

Patching and Updates

Regularly updating devices with the latest security patches and firmware releases from Samsung Mobile is essential to protect against known vulnerabilities and enhance overall cybersecurity posture.