Vulnerability CVE-2018-12716
Published: 2018-06-24   Modified: 2018-06-25

Description:
The API service on Google Home and Chromecast devices before mid-July 2018 does not prevent DNS rebinding attacks from reading the scan_results JSON data, which allows remote attackers to determine the physical location of most web browsers by leveraging the presence of one of these devices on its local network, extracting the scan_results bssid fields, and sending these fields in a geolocation/v1/geolocate Google Maps Geolocation API request.

Type:

CWE-200

 (Information Exposure)

CVSS2 => (AV:A/AC:L/Au:N/C:P/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
3.3/10
2.9/10
6.5/10
Exploit range
Attack complexity
Authentication
Adjacent network
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None
Affected software
Google -> Chromecast firmware 
Google -> Home firmware 

 References:
https://krebsonsecurity.com/2018/06/google-to-fix-location-data-leak-in-google-home-chromecast/
https://medium.com/@brannondorsey/attacking-private-networks-from-the-internet-with-dns-rebinding-ea7098a2d325
https://www.tripwire.com/state-of-security/vert/googles-newest-feature-find-my-home/
https://www.wired.com/story/chromecast-roku-sonos-dns-rebinding-vulnerability/
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