Learn about CVE-2023-42559, an improper exception management flaw in Samsung Mobile Knox Guard allowing a lock bypass via system time manipulation. Understand the impact and mitigation steps.
A detailed overview of the CVE-2023-42559 vulnerability impacting Samsung Mobile devices and how it can lead to a Knox Guard lock bypass.
Understanding CVE-2023-42559
This section provides insights into the nature of the vulnerability and its potential impact on affected systems.
What is CVE-2023-42559?
The CVE-2023-42559 vulnerability is characterized by an improper exception management flaw in Knox Guard before the SMR Dec-2023 Release 1. It allows attackers to bypass the Knox Guard lock by manipulating the system time.
The Impact of CVE-2023-42559
This vulnerability poses a medium-level risk with high confidentiality impact and low integrity impact. It requires physical access to the device and user interaction, making the attack complexity low.
Technical Details of CVE-2023-42559
Explore the specifics of the vulnerability, including affected systems, exploitation methods, and versions.
Vulnerability Description
The vulnerability arises due to improper exception handling in Knox Guard before the SMR Dec-2023 Release 1, allowing an attacker to manipulate system time for bypassing the Knox Guard lock.
Affected Systems and Versions
Samsung Mobile Devices running SMR Dec-2023 Release in Android versions 11, 12, 13, and 14 are impacted by this vulnerability.
Exploitation Mechanism
To exploit CVE-2023-42559, an attacker needs physical access to the device and the ability to interact with the user for changing the system time.
Mitigation and Prevention
Discover the immediate steps and long-term practices to mitigate the CVE-2023-42559 vulnerability.
Immediate Steps to Take
It is crucial to update the affected Samsung Mobile Devices to the SMR Dec-2023 Release 1 or higher to prevent exploitation. Additionally, users should be vigilant about unauthorized physical access to their devices.
Long-Term Security Practices
Implementing robust physical security measures and educating users on device safety practices can enhance protection against unauthorized access and exploitation.
Patching and Updates
Regularly applying security patches and staying up-to-date with software releases is essential in safeguarding devices against known vulnerabilities.