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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.17%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 10.0 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
- EPSS
- 2.17% probability · 81th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-200
- Affected
- the rolling proximity identifier project/the rolling proximity identifier
- Source
- cve@mitre.org
References
- https://blog.google/documents/70/Exposure_Notification_-_Bluetooth_Specification_v1.2.2.pdfThird Party Advisory
- https://github.com/google/exposure-notifications-internals/commit/8f751a666697Patch, Third Party Advisory
- https://github.com/google/exposure-notifications-internals/commit/8f751a666697c3cae0a56ae3464c2c6cbe31b69ePatch, Third Party Advisory
- https://github.com/normanluhrmann/infosec/raw/master/exposure-notification-vulnerability-20200611.pdfExploit, Technical Description, Third Party Advisory
- https://github.com/normanluhrmann/infosec/raw/master/exposure-notification-vulnerability-20200616-2.pdfExploit, Technical Description, Third Party Advisory
- https://github.com/normanluhrmann/infosec/raw/master/exposure-notification-vulnerability-20200616.pdfExploit, Technical Description, Third Party Advisory
- https://blog.google/documents/70/Exposure_Notification_-_Bluetooth_Specification_v1.2.2.pdfThird Party Advisory
- https://github.com/google/exposure-notifications-internals/commit/8f751a666697Patch, Third Party Advisory
- https://github.com/google/exposure-notifications-internals/commit/8f751a666697c3cae0a56ae3464c2c6cbe31b69ePatch, Third Party Advisory
- https://github.com/normanluhrmann/infosec/raw/master/exposure-notification-vulnerability-20200611.pdfExploit, Technical Description, Third Party Advisory
- https://github.com/normanluhrmann/infosec/raw/master/exposure-notification-vulnerability-20200616-2.pdfExploit, Technical Description, Third Party Advisory
- https://github.com/normanluhrmann/infosec/raw/master/exposure-notification-vulnerability-20200616.pdfExploit, Technical Description, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.