PT-2020-13655 · Google/Apple · Apple/Google Exposure Notification Api

Published 2020-06-11 · Updated 2021-03-12 · CVE-2020-13702

Positive Technologies (AI Summary)

CVSS v3.1

10

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N

Name of the Vulnerable Software and Affected Versions Apple/Google Exposure Notification API beta through 2020-05-29

Description The issue enables attackers to circumvent Bluetooth Smart Privacy due to a secondary temporary UID in the Rolling Proximity Identifier. This allows an attacker with access to Beacon or IoT networks to track individual device movement via a Bluetooth LE discovery mechanism.

Recommendations For Apple/Google Exposure Notification API beta through 2020-05-29, consider disabling the Rolling Proximity Identifier until a patch is available to prevent exploitation. Restrict access to Beacon or IoT networks to minimize the risk of tracking individual device movement.

Exploit

Fix

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

CVE-2020-13702

Affected Products

Apple/Google Exposure Notification Api

References · 10

• 🔥 https://github.com/normanluhrmann/infosec/raw/master/exposure-notification-vulnerability-20200616-2.pdf · Exploit
• 🔥 https://github.com/normanluhrmann/infosec/raw/master/exposure-notification-vulnerability-20200616.pdf · Exploit
• 🔥 https://github.com/normanluhrmann/infosec/raw/master/exposure-notification-vulnerability-20200611.pdf · Exploit
• https://github.com/google/exposure-notifications-internals/commit/8f751a666697 · Patch
• https://github.com/google/exposure-notifications-internals/commit/8f751a666697c3cae0a56ae3464c2c6cbe31b69e · Patch
• https://osv.dev/vulnerability/CVE-2020-13702 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-13702 · Security Note
• https://t.me/cvenotify/4320 · Telegram Post
• https://t.me/cvenotify/11249 · Telegram Post
• https://blog.google/documents/70/Exposure_Notification_-_Bluetooth_Specification_v1.2.2.pdf · Note