CVE-2018-21092: 
NixOS vulnerability analysis and mitigation

An issue was discovered on Samsung mobile devices with M(6.x) and N(7.x) software. A crafted AT command may be sent by the DeviceTest application, which allows attackers to perform malicious actions via NFC functionality (Samsung Mobile).

The vulnerability affects Samsung mobile devices running Android versions 6.x (Marshmallow) and 7.x (Nougat). The issue involves the DeviceTest application's ability to process AT commands related to NFC functionality. When exploited, it allows the processing of crafted AT commands that can manipulate the device's NFC capabilities (Samsung Mobile).

Successful exploitation of this vulnerability allows attackers to perform unauthorized actions through the device's NFC functionality. This could potentially lead to unauthorized access to NFC-related features and settings on affected Samsung mobile devices (Samsung Mobile).

The vulnerability requires the ability to send crafted AT commands through the DeviceTest application. The attack vector is local, requiring some level of access to the device to execute the malicious AT commands (Samsung Mobile).

Samsung has addressed this vulnerability through security updates for affected devices. Users should ensure their devices are updated to the latest available security patch level to mitigate this vulnerability (Samsung Mobile).