Information disclosure in Google Chromecast

CVE-2018-12716

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.

Vulnerability class: Information Disclosure

EPSS: 0.007 (49.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-12716?
CVE-2018-12716 is a medium-severity vulnerability in Google Chromecast, classified under Information Disclosure. CVSS score: 4.3/10. Published 2018-06-25.
How severe is CVE-2018-12716?
Medium severity. CVSS v3 base score is 4.3 out of 10.
Is CVE-2018-12716 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.