CVE-2019-6744: Samsung Knox Secure Folder Lock Screen Bypass Vulnerability
This vulnerability allows local attackers to disclose sensitive information on affected installations of Samsung Knox 1.2.02.39 on Samsung Galaxy S9 build G9600ZHS3ARL1 Secure Folder. An attacker must first obtain physical access to the device in order to exploit this vulnerability. The specific flaws exists within the the handling of the lock screen for Secure Folder. The issue results from the lack of proper validation that a user has correctly authenticated. An attacker can leverage this vulnerability to disclose the contents of the secure container. Was ZDI-CAN-7381.
Other sources
This vulnerability allows local attackers to disclose sensitive information on vulnerability installations of Samsung Secure Folder. An attacker must first obtain physical access to the device in order to exploit this vulnerability. The specific flaws exists within the the handling of the lock screen for Secure Folder. The issue results from the lack of proper validation that a user has correctly authenticated. An attacker can leverage this vulnerability to disclose the contents of the secure container.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is CVE-2019-6744?
CVE-2019-6744 is a vulnerability that allows local attackers to disclose sensitive information on affected installations of Samsung Knox 1.2.02.39 on Samsung Galaxy S9 build G9600ZHS3ARL1 Secure Folder.
How do I exploit CVE-2019-6744?
To exploit CVE-2019-6744, an attacker must first obtain physical access to the device.
What is the severity of CVE-2019-6744?
The severity of CVE-2019-6744 is medium with a CVSS score of 4.3.
How can I mitigate CVE-2019-6744?
To mitigate CVE-2019-6744, users should update their Samsung Knox installation to the latest version available.
Where can I find more information about CVE-2019-6744?
You can find more information about CVE-2019-6744 on the Samsung Mobile security update page and the Zero Day Initiative advisory.