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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.007 (51.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 51.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- krebsonsecurity.com/2018/06/google-to-fix-location-data-leak-in-google-home-chr… (Third Party Advisory, Issue Tracking)
- medium.com/@brannondorsey/attacking-private-networks-from-the-internet-with-dns…
- www.wired.com/story/chromecast-roku-sonos-dns-rebinding-vulnerability/ (Third Party Advisory)
- www.tripwire.com/state-of-security/vert/googles-newest-feature-find-my-home/ (Third Party Advisory)
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.