Description
An issue was discovered in the GAEN (aka Google/Apple Exposure Notifications) protocol through 2020-09-29, as used in COVID-19 applications on Android and iOS. It allows a user to be put in a position where he or she can be coerced into proving or disproving an exposure notification, because of the persistent state of a private framework.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- https://blog.google/inside-google/company-announcements/update-exposure-notifications ↗
- https://github.com/minvws/nl-covid19-notification-app-coordination/blob/master/CVEs/CVE-2020-24721.txt ↗
- https://seclists.org/fulldisclosure/2020/Sep/53 ↗
- http://packetstormsecurity.com/files/159419/Corona-Exposure-Notifications-API-Data-Leakage.html ↗