CVE-2023-21419 : Exploit Details and Defense Strategies

This CVE record pertains to an improper implementation logic in Secure Folder prior to SMR Jan-2023 Release 1, allowing the Secure Folder container to remain unlocked under certain conditions. It was published on February 9, 2023, by Samsung Mobile.

Understanding CVE-2023-21419

This section dives into the details of CVE-2023-21419.

What is CVE-2023-21419?

CVE-2023-21419 highlights an improper implementation logic in Secure Folder on Samsung Mobile devices, which can lead to the container staying unlocked in specific situations.

The Impact of CVE-2023-21419

The impact of this vulnerability lies in the potential compromise of sensitive information stored within the Secure Folder due to it remaining unlocked unintentionally.

Technical Details of CVE-2023-21419

Here are the technical details related to CVE-2023-21419.

Vulnerability Description

The vulnerability is classified under CWE-287, focusing on improper authentication, and has a CVSSv3.1 base score of 4.3, indicating a medium severity level. The attack vector is physical, with low attack complexity and no privileges required.

Affected Systems and Versions

The vulnerability affects Samsung Mobile Devices running version S(12) that are below the SMR Jan-2023 Release 1.

Exploitation Mechanism

The exploitation of this vulnerability requires physical access to the device and the presence of specific conditions to unlock the Secure Folder container.

Mitigation and Prevention

To address CVE-2023-21419, certain steps need to be taken to mitigate the risk associated with this vulnerability.

Immediate Steps to Take

Users should ensure that their Samsung Mobile Devices are updated to the latest software version that includes the necessary security patches provided by Samsung.

Long-Term Security Practices

Maintaining good security practices, such as setting up strong authentication methods and being cautious with device access, can help prevent unauthorized access to sensitive data.

Patching and Updates

Regularly checking for and applying software updates and security patches released by Samsung Mobile can mitigate the risk of vulnerabilities like CVE-2023-21419 being exploited.