CVE-2023-21462 : Vulnerability Insights and Analysis

This CVE-2023-21462 involves a sensitive information exposure vulnerability in Quick Share Agent prior to versions 3.5.14.18 in Android 12 and 3.5.16.20 in Android 13. The vulnerability allows a local attacker to access MAC address without the necessary permission.

Understanding CVE-2023-21462

This section will delve into the details regarding CVE-2023-21462, including the vulnerability description, impact, affected systems, exploitation mechanism, and mitigation practices.

What is CVE-2023-21462?

The vulnerability in Quick Share Agent allows a local attacker to retrieve the MAC address without the related permission, potentially leading to unauthorized access to sensitive user information.

The Impact of CVE-2023-21462

With a CVSS v3.1 base score of 4.2 (Medium severity), the impact of this vulnerability is notable. The confidentiality and integrity of the affected systems may be compromised, albeit with a low impact on each.

Technical Details of CVE-2023-21462

In this section, we will explore the technical aspects of CVE-2023-21462, including the vulnerability description, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability lies in Quick Share Agent versions prior to 3.5.14.18 in Android 12 and 3.5.16.20 in Android 13, where local attackers can access the MAC address without the necessary permission.

Affected Systems and Versions

The affected product is Quick Share Agent by Samsung Mobile, with versions less than 3.5.14.18 in Android 12 and 3.5.16.20 in Android 13 being vulnerable to this exploit.

Exploitation Mechanism

The exploitation of this vulnerability by a local attacker entails accessing the MAC address without the required permission, potentially leading to unauthorized access to sensitive information.

Mitigation and Prevention

This section will outline the necessary steps to mitigate the risks associated with CVE-2023-21462 and prevent any potential exploitation.

Immediate Steps to Take

It is recommended to update Quick Share Agent to versions 3.5.14.18 in Android 12 and 3.5.16.20 in Android 13 or above to address the vulnerability. Additionally, review and restrict access permissions to prevent unauthorized access.

Long-Term Security Practices

Implementing a robust security policy, conducting regular security audits, and providing security awareness training to users can enhance overall security posture and mitigate similar vulnerabilities in the future.

Patching and Updates

Regularly applying software patches and updates provided by Samsung Mobile is essential to stay protected against known vulnerabilities like CVE-2023-21462. Stay informed about security advisories and apply updates promptly to ensure system security.