CVE-2022-36621 Explained : Impact and Mitigation

Samsung Electronics mTower v0.3.0 and earlier was found to have a NULL pointer dereference vulnerability through the function TEE_AllocateTransientObject.

Understanding CVE-2022-36621

This section provides insights into the vulnerability, its impact, technical details, and mitigation strategies.

What is CVE-2022-36621?

CVE-2022-36621 is a vulnerability in Samsung Electronics mTower v0.3.0 and earlier versions that allows for a NULL pointer dereference via the function TEE_AllocateTransientObject.

The Impact of CVE-2022-36621

The vulnerability could be exploited by attackers to cause denial of service or potentially execute arbitrary code on the affected systems.

Technical Details of CVE-2022-36621

Below are the specific technical details of the CVE-2022-36621 vulnerability:

Vulnerability Description

The vulnerability exists in the function TEE_AllocateTransientObject in Samsung Electronics mTower v0.3.0 and earlier versions, leading to a NULL pointer dereference.

Affected Systems and Versions

Samsung Electronics mTower v0.3.0 and earlier versions are affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating the TEE_AllocateTransientObject function, triggering a NULL pointer dereference.

Mitigation and Prevention

To address CVE-2022-36621, consider the following mitigation steps:

Immediate Steps to Take

Monitor security advisories from Samsung Electronics for patches or updates.
Implement restrictions on system access to mitigate the risk of exploitation.

Long-Term Security Practices

Regularly update Samsung mTower to the latest secure version.
Conduct security assessments and audits to identify and remediate vulnerabilities proactively.

Patching and Updates

Apply security patches provided by Samsung Electronics to fix the vulnerability in mTower v0.3.0 and earlier versions.