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CVE-2022-36856 Explained : Impact and Mitigation

Learn about CVE-2022-36856, an improper access control flaw in Samsung Mobile Devices Telecom application pre-SMR Sep-2022 Release 1, allowing unauthorized emergency call initiation.

An improper access control vulnerability in Telecom application prior to SMR Sep-2022 Release 1 of Samsung Mobile Devices allows an attacker to initiate emergency calls via an undefined permission.

Understanding CVE-2022-36856

This CVE impacts Samsung Mobile Devices prior to SMR Sep-2022 Release 1, potentially enabling unauthorized users to start emergency calls through the Telecom application.

What is CVE-2022-36856?

The vulnerability in the Telecom application before SMR Sep-2022 Release 1 of Samsung Mobile Devices allows attackers to initiate emergency calls without proper authorization.

The Impact of CVE-2022-36856

With a CVSS base score of 4 and medium severity, this vulnerability could lead to unauthorized emergency call initiations, posing a risk to user privacy and security.

Technical Details of CVE-2022-36856

This section dives into the specifics of the vulnerability affecting Samsung Mobile Devices.

Vulnerability Description

The vulnerability stems from improper access control within the Telecom application, enabling attackers to bypass restrictions and start emergency calls without the necessary permissions.

Affected Systems and Versions

Samsung Mobile Devices with versions prior to SMR Sep-2022 Release 1 are impacted by this vulnerability, specifically those running S(12) custom firmware.

Exploitation Mechanism

Attackers can exploit this vulnerability locally, requiring no user interaction and minimal privileges to initiate emergency calls through the Telecom application.

Mitigation and Prevention

Discover the steps and practices to mitigate the risks associated with CVE-2022-36856.

Immediate Steps to Take

Users of Samsung Mobile Devices should apply the SMR Sep-2022 Release 1 update to address this vulnerability immediately. Additionally, users should avoid unauthorized access to the Telecom application to prevent misuse.

Long-Term Security Practices

To enhance device security in the long term, users are advised to regularly update their devices, avoid installing applications from untrusted sources, and remain cautious while granting permissions to apps.

Patching and Updates

Samsung Mobile users should regularly check for security updates from the official Samsung Mobile website to ensure their devices are protected against known vulnerabilities.

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