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CVE-2023-21452 : Vulnerability Insights and Analysis

CVE-2023-21452 involves improper usage of implicit intent in Bluetooth, allowing attackers to extract MAC address. Low severity, affects Samsung Mobile Devices.

This CVE involves the improper usage of implicit intent in Bluetooth prior to SMR Mar-2023 Release 1, which allows an attacker to obtain the MAC address of a connected device.

Understanding CVE-2023-21452

This section delves into the details of CVE-2023-21452, highlighting its implications and impact on affected systems.

What is CVE-2023-21452?

CVE-2023-21452 is categorized under CWE-285, denoting improper authorization due to the vulnerability in Bluetooth that enables unauthorized access to the MAC address of connected devices.

The Impact of CVE-2023-21452

The impact of this CVE is rated as low severity (3.3) according to the CVSS v3.1 scoring system. It poses a risk to the confidentiality of the affected systems with no integrity or availability impact.

Technical Details of CVE-2023-21452

In this section, we explore the vulnerability description, affected systems and versions, as well as the exploitation mechanism associated with CVE-2023-21452.

Vulnerability Description

The vulnerability stems from the improper usage of implicit intent in Bluetooth, allowing malicious actors to extract the MAC address of connected devices.

Affected Systems and Versions

        Vendor: Samsung Mobile
        Product: Samsung Mobile Devices
        Versions: Android 11, 12, 13
        Status: Affected
        Less Than: SMR Mar-2023 Release 1
        Version Type: Custom

Exploitation Mechanism

The vulnerability can be exploited by attackers leveraging the improper authorization in Bluetooth to retrieve the MAC address of a connected device.

Mitigation and Prevention

Mitigating and preventing the risks associated with CVE-2023-21452 is vital to maintaining the security of affected systems and safeguarding sensitive information.

Immediate Steps to Take

        Update devices to the latest SMR Mar-2023 Release 1 or newer to address the vulnerability.
        Avoid connecting to unknown or untrusted Bluetooth devices to minimize exposure to potential attacks.

Long-Term Security Practices

Implement stringent security policies and protocols regarding Bluetooth usage to prevent unauthorized access to sensitive information on connected devices.

Patching and Updates

Regularly apply security patches and updates provided by Samsung Mobile to mitigate vulnerabilities and strengthen the security posture of Samsung Mobile Devices.

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