CVE-2022-39851 Explained : Impact and Mitigation

A vulnerability in CocktailBarService prior to SMR Oct-2022 Release 1 could allow a local attacker to bind a service requiring BIND_REMOTEVIEWS permission.

Understanding CVE-2022-39851

This section provides an overview of the CVE-2022-39851 vulnerability.

What is CVE-2022-39851?

The vulnerability, identified as CVE-2022-39851, is an improper access control issue in CocktailBarService that enables a local attacker to bind specific services that mandate BIND_REMOTEVIEWS permission.

The Impact of CVE-2022-39851

The impact of this vulnerability is considered medium, with a CVSS base score of 4, allowing a local attacker to potentially exploit the affected system with low attack complexity.

Technical Details of CVE-2022-39851

In this section, we delve into the technical aspects of CVE-2022-39851.

Vulnerability Description

The vulnerability arises due to improper access control in CocktailBarService, enabling a local attacker to bind services that require BIND_REMOTEVIEWS permission.

Affected Systems and Versions

The vulnerability affects Samsung Mobile Devices running versions Q(10), R(11), S(12), specifically those with a version less than SMR Oct-2022 Release 1.

Exploitation Mechanism

The exploitation of this vulnerability requires local access and the ability to bind the specific services that necessitate BIND_REMOTEVIEWS permission.

Mitigation and Prevention

This section outlines steps to mitigate and prevent CVE-2022-39851.

Immediate Steps to Take

Users are advised to update their Samsung Mobile Devices to the SMR Oct-2022 Release 1 or later to address the vulnerability.

Long-Term Security Practices

Implementing strong access control mechanisms and monitoring service bindings can enhance the overall security posture of devices.

Patching and Updates

Regularly applying security patches and staying current with device updates is crucial in mitigating known vulnerabilities.