CVE-2022-22271 Explained : Impact and Mitigation

A missing input validation before memory copy in TIMA trustlet prior to SMR Jan-2022 Release 1 allows attackers to copy data from arbitrary memory.

Understanding CVE-2022-20657

This CVE affects Samsung Mobile Devices due to a vulnerability in the TIMA trustlet prior to SMR Jan-2022 Release 1.

What is CVE-2022-20657?

The CVE-2022-20657 vulnerability in Samsung Mobile Devices arises from a missing input validation before memory copy in the TIMA trustlet.

The Impact of CVE-2022-20657

The impact of CVE-2022-20657 is rated as MEDIUM severity with a CVSS base score of 5.5. It allows attackers to copy data from arbitrary memory, posing a high confidentiality impact.

Technical Details of CVE-2022-20657

The following technical details outline the vulnerability in Samsung Mobile Devices.

Vulnerability Description

The vulnerability involves a missing input validation before memory copy in the TIMA trustlet, providing attackers the ability to extract data from any memory location.

Affected Systems and Versions

Samsung Mobile Devices running versions prior to SMR Jan-2022 Release 1 are impacted by this vulnerability. Specifically, devices running Android versions P(9.0), Q(10.0), and R(11.0) are affected.

Exploitation Mechanism

Attackers with low privileges can exploit this vulnerability locally without user interaction, posing a significant risk to the confidentiality of the compromised devices.

Mitigation and Prevention

To mitigate the risks associated with CVE-2022-20657, the following steps are recommended.

Immediate Steps to Take

Apply the necessary security patches released by Samsung Mobile to address this vulnerability.
Monitor for any unusual activities or unauthorized access to mitigate potential exploitation.

Long-Term Security Practices

Regularly update your Samsung Mobile Devices with the latest security patches and firmware updates to prevent similar vulnerabilities in the future.
Implement strict access controls and permissions to limit the impact of potential security breaches.

Patching and Updates

Stay informed about security updates and advisories from Samsung Mobile to ensure the timely application of patches to safeguard your devices.