CVE-2021-25344 : Exploit Details and Defense Strategies

This CVE-2021-25344 article provides details about a vulnerability in Samsung Mobile Devices that allows unauthorized access to the device's serial number. Learn about the impact, technical details, and mitigation steps.

Understanding CVE-2021-25344

This section will delve into the vulnerability identified as CVE-2021-25344 and its implications.

What is CVE-2021-25344?

The vulnerability involves a missing permission check in the knox_custom service on Samsung Mobile Devices before the SMR Mar-2021 Release 1. It enables malicious actors to access the device's serial number without permission.

The Impact of CVE-2021-25344

The impact of this vulnerability is rated as MEDIUM with a CVSS base score of 6.2. It poses a high risk to the confidentiality of sensitive information on affected devices.

Technical Details of CVE-2021-25344

In this section, we will explore the technical aspects of the CVE-2021-25344 vulnerability.

Vulnerability Description

The vulnerability results from a missing permission check in the knox_custom service, allowing unauthorized access to the device's serial number.

Affected Systems and Versions

Samsung Mobile Devices running versions Q(10.0) and R(11.0) before the SMR Mar-2021 Release 1 are impacted by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability locally, with low complexity, and without the need for privileges or user interaction.

Mitigation and Prevention

This section outlines steps to mitigate and prevent the exploitation of CVE-2021-25344.

Immediate Steps to Take

Users of affected Samsung Mobile Devices should update to the SMR Mar-2021 Release 1 or newer to address this vulnerability.

Long-Term Security Practices

Implementing robust permission checks and regular security updates can enhance the security posture of devices.

Patching and Updates

Stay informed about security updates from Samsung Mobile and apply patches promptly to protect devices.