CVE-2020-13702

The Rolling Proximity Identifier used in the Apple/Google Exposure Notification API beta through 2020-05-29 enables attackers to circumvent Bluetooth Smart Privacy because there is a secondary temporary UID. An attacker with access to Beacon or IoT networks can seamlessly track individual device movement via a Bluetooth LE discovery mechanism.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
4.3 MEDIUM
ADJACENT_NETWORK
LOW
NONE
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
mitreCNA
4.3 MEDIUM
ADJACENT_NETWORK
LOW
NONE
CVSS:3.1/AC:L/AV:A/A:N/C:L/I:N/PR:N/S:U/UI:N
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 66%
VendorProductVersion
the_rolling_proximity_identifier_projectthe_rolling_proximity_identifier
𝑥
≤ 2020-05-29
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://blog.google/documents/70/Exposure_Notification_-_Bluetooth_Specification_v1.2.2.pdf
https://github.com/google/exposure-notifications-internals/commit/8f751a666697
https://github.com/google/exposure-notifications-internals/commit/8f751a666697c3cae0a56ae3464c2c6cbe31b69e
https://github.com/normanluhrmann/infosec/raw/master/exposure-notification-vulnerability-20200611.pdf
https://github.com/normanluhrmann/infosec/raw/master/exposure-notification-vulnerability-20200616-2.pdf
https://github.com/normanluhrmann/infosec/raw/master/exposure-notification-vulnerability-20200616.pdf
https://blog.google/documents/70/Exposure_Notification_-_Bluetooth_Specification_v1.2.2.pdf
https://github.com/google/exposure-notifications-internals/commit/8f751a666697
https://github.com/google/exposure-notifications-internals/commit/8f751a666697c3cae0a56ae3464c2c6cbe31b69e
https://github.com/normanluhrmann/infosec/raw/master/exposure-notification-vulnerability-20200611.pdf
https://github.com/normanluhrmann/infosec/raw/master/exposure-notification-vulnerability-20200616-2.pdf
https://github.com/normanluhrmann/infosec/raw/master/exposure-notification-vulnerability-20200616.pdf