CVE-2017-13903 Information

Description

An issue was discovered in certain Apple products. iOS before 11.2.1 is affected. tvOS before 11.2.1 is affected. The issue involves the \HomeKit\ component. It allows remote attackers to modify the application state by leveraging incorrect message handling as demonstrated by use of an Apple Watch to obtain an encryption key and unlock a door.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Reference

http://www.securityfocus.com/bid/102182 http://www.securitytracker.com/id/1040008 https://support.apple.com/HT208357 https://support.apple.com/HT208359 https://www.engadget.com/2017/12/21/apple-ignored-a-major-homekit-security-flaw-for-six-weeks/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

7.5