CVE-2022-39870 : What You Need to Know

An improper access control vulnerability in cloudNotificationManager.java SmartThings prior to version 1.7.89.0 allows attackers to access sensitive information via PUSH_MESSAGE_RECEIVED broadcast.

Understanding CVE-2022-39870

This CVE involves an improper access control vulnerability in Samsung Mobile's SmartThings application, potentially allowing unauthorized access to sensitive information.

What is CVE-2022-39870?

The CVE-2022-39870 vulnerability is categorized as an improper access control issue, specifically in the cloudNotificationManager.java component of SmartThings prior to version 1.7.89.0. This flaw could be exploited by attackers to gain unauthorized access to sensitive data through the PUSH_MESSAGE_RECEIVED broadcast.

The Impact of CVE-2022-39870

The impact of this vulnerability is rated as MEDIUM. While the confidentiality impact is low, the presence of the impermissible access control flaw could potentially lead to unauthorized disclosure of sensitive information.

Technical Details of CVE-2022-39870

This section delves into the technical aspects of the CVE, including vulnerability description, affected systems and versions, and exploitation mechanism.

Vulnerability Description

The vulnerability arises from improper access control implementation in cloudNotificationManager.java of SmartThings, enabling attackers to bypass security measures and access confidential data.

Affected Systems and Versions

The vulnerability affects Samsung Mobile's SmartThings application versions prior to 1.7.89.0. Users with versions below this are susceptible to exploitation.

Exploitation Mechanism

Attackers can exploit the CVE-2022-39870 vulnerability by leveraging the PUSH_MESSAGE_RECEIVED broadcast to gain unauthorized access to sensitive information within the SmartThings application.

Mitigation and Prevention

To safeguard against CVE-2022-39870, immediate steps, long-term security practices, and patching procedures are crucial.

Immediate Steps to Take

Users are advised to update their SmartThings application to version 1.7.89.0 or higher to mitigate the vulnerability. Additionally, reviewing and restricting sensitive information access permissions can enhance security.

Long-Term Security Practices

Implementing least privilege access, conducting regular security assessments, and staying informed about security updates are vital long-term security practices to prevent similar vulnerabilities.

Patching and Updates

Regularly checking for and applying security patches released by Samsung Mobile for SmartThings is essential to prevent exploitation of known vulnerabilities.