CVE-2022-36847 : Vulnerability Insights and Analysis

A detailed analysis of the Use-after-free vulnerability in the MTP driver of Samsung Mobile Devices prior to SMR Sep-2022 Release 1.

Understanding CVE-2022-36847

This section covers the impact, technical details, and mitigation strategies for CVE-2022-36847.

What is CVE-2022-36847?

The CVE-2022-36847 is a use-after-free vulnerability discovered in the mtp_send_signal function of the MTP driver before the SMR Sep-2022 Release 1 on Samsung Mobile Devices. It allows malicious actors to execute arbitrary code on affected devices.

The Impact of CVE-2022-36847

With a CVSS base score of 4.9, this vulnerability has a medium severity level. Attackers can leverage this flaw to perform unauthorized actions on the device, potentially leading to further exploitation and compromise.

Technical Details of CVE-2022-36847

This section dives deeper into the vulnerability description, affected systems, versions, and exploitation mechanism.

Vulnerability Description

The use-after-free vulnerability in the mtp_send_signal function of the MTP driver enables attackers to manipulate memory allocation, leading to arbitrary code execution and unauthorized actions on the device.

Affected Systems and Versions

Samsung Mobile Devices running custom versions of Q(10) and R(11) before the SMR Sep-2022 Release 1 are impacted by this vulnerability.

Exploitation Mechanism

Attackers with local access can exploit this vulnerability by sending crafted signals through the MTP driver, triggering the use-after-free condition and executing malicious payloads.

Mitigation and Prevention

To secure your systems against CVE-2022-36847, immediate actions and long-term security practices are essential.

Immediate Steps to Take

Apply the latest security patches and updates provided by Samsung Mobile to mitigate the vulnerability.

Long-Term Security Practices

Implement strict access controls and user permissions to limit the impact of potential attacks.
Regularly monitor and audit system activities to detect anomalous behavior.

Patching and Updates

Stay informed about security advisories from Samsung Mobile and promptly apply recommended patches to safeguard against known vulnerabilities.