Vulnerability Monitor

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CVE-2017-13903

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.

Published

2017-12-25T21:29:15.230

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:N/A:N

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: NONE
Availability Impact: NONE

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
NVD-CWE-noinfo

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	apple	iphone_os	< 11.2.1	Yes
Operating System	apple	tvos	< 11.2.1	Yes

References

http://www.securityfocus.com/bid/102182 Third Party Advisory, VDB Entry ([email protected])
http://www.securitytracker.com/id/1040008 Third Party Advisory, VDB Entry ([email protected])
https://support.apple.com/HT208357 Vendor Advisory ([email protected])
https://support.apple.com/HT208359 Vendor Advisory ([email protected])
https://www.engadget.com/2017/12/21/apple-ignored-a-major-homekit-security-flaw-for-six-weeks/ Press/Media Coverage ([email protected])
http://www.securityfocus.com/bid/102182 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1040008 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/HT208357 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/HT208359 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.engadget.com/2017/12/21/apple-ignored-a-major-homekit-security-flaw-for-six-weeks/ Press/Media Coverage (af854a3a-2127-422b-91ae-364da2661108)