ADV190016 — Bluetooth Low Energy Advisory

Executive Summary

Executive Summary Microsoft is aware of an issue that affects the Bluetooth Low Energy (BLE) version of FIDO Security Keys. Due to a misconfiguration in the Bluetooth pairing protocols, it is possible for an attacker who is physically close to a user at the moment he/she uses the security key to communicate with the security key, or communicate with the device to which the key is paired. Google has issued CVE-2019-2102 for this vulnerability. To address this issue, Microsoft has blocked the pairing of these Bluetooth Low Energy (BLE) keys with the pairing misconfiguration. Recommended Actions

Overview

Important

MS Severity

Not Exploited

MS Exploit Status

Not Found

MS Exploit Likelihood

Category Elevation of Privilege

Released Jun 11 2019

Last Updated Jun 11 2019

Publicly Disclosed No

CISA KEV Not Listed

Known Exploits None Known

EPSS Score

No EPSS score available for this CVE.

View on FIRST.org

Affected Products

25 affected products

Product	KB Article	Severity	Impact	Restart Required
Windows 10 for 32-bit Systems	`4503291 (Security Update)`	Important	Elevation of Privilege	Yes
Windows 10 for x64-based Systems	`4503291 (Security Update)`	Important	Elevation of Privilege	Yes
Windows 10 Version 1607 for 32-bit Systems	`4503267 (Security Update)`	Important	Elevation of Privilege	Yes
Windows 10 Version 1607 for x64-based Systems	`4503267 (Security Update)`	Important	Elevation of Privilege	Yes
Windows 10 Version 1703 for 32-bit Systems	`4503279 (Security Update)`	Important	Elevation of Privilege	Yes
Windows 10 Version 1703 for x64-based Systems	`4503279 (Security Update)`	Important	Elevation of Privilege	Yes
Windows 10 Version 1709 for 32-bit Systems	`4503284 (Security Update)`	Important	Elevation of Privilege	Yes
Windows 10 Version 1709 for ARM64-based Systems	`4503284 (Security Update)`	Important	Elevation of Privilege	Yes
Windows 10 Version 1709 for x64-based Systems	`4503284 (Security Update)`	Important	Elevation of Privilege	Yes
Windows 10 Version 1803 for 32-bit Systems	`4503286 (Security Update)`	Important	Elevation of Privilege	Yes
Windows 10 Version 1803 for ARM64-based Systems	`4503286 (Security Update)`	Important	Elevation of Privilege	Yes
Windows 10 Version 1803 for x64-based Systems	`4503286 (Security Update)`	Important	Elevation of Privilege	Yes
Windows 10 Version 1809 for 32-bit Systems	`4503327 (Security Update)`	Important	Elevation of Privilege	Yes
Windows 10 Version 1809 for ARM64-based Systems	`4503327 (Security Update)`	Important	Elevation of Privilege	Yes
Windows 10 Version 1809 for x64-based Systems	`4503327 (Security Update)`	Important	Elevation of Privilege	Yes
Windows 10 Version 1903 for 32-bit Systems	`4503293 (Security Update)`	Important	Elevation of Privilege	Yes
Windows 10 Version 1903 for ARM64-based Systems	`4503293 (Security Update)`	Important	Elevation of Privilege	Yes
Windows 10 Version 1903 for x64-based Systems	`4503293 (Security Update)`	Important	Elevation of Privilege	No
Windows 8.1 for 32-bit systems 4503276 (Monthly Rollup) 4503290 (Security Only) Important Elevation of Privilege 4499151 Base: N/A Temporal: N/A Vector: N/A Yes None Windows 8.1 for x64-based systems 4503276 (Monthly Rollup) 4503290 (Security Only) Important Elevation of Privilege 4499151 Base: N/A Temporal: N/A Vector: N/A Yes None Windows RT 8.1	`4503276 (Monthly Rollup)`	Important	Elevation of Privilege	Yes
Windows Server 2012 4503285 (Monthly Rollup) 4503263 (Security Only) Important Elevation of Privilege 4499171 Base: N/A Temporal: N/A Vector: N/A Yes None Windows Server 2012 (Server Core installation) 4503285 (Monthly Rollup) 4503263 (Security Only) Important Elevation of Privilege 4499171 Base: N/A Temporal: N/A Vector: N/A Yes None Windows Server 2012 R2 4503276 (Monthly Rollup) 4503290 (Security Only) Important Elevation of Privilege 4499151 Base: N/A Temporal: N/A Vector: N/A Yes None Windows Server 2012 R2 (Server Core installation) 4503276 (Monthly Rollup) 4503290 (Security Only) Important Elevation of Privilege 4499151 Base: N/A Temporal: N/A Vector: N/A Yes None Windows Server 2016	`4503267 (Security Update)`	Important	Elevation of Privilege	Yes
Windows Server 2016 (Server Core installation)	`4503267 (Security Update)`	Important	Elevation of Privilege	Yes
Windows Server 2019	`4503327 (Security Update)`	Important	Elevation of Privilege	Yes
Windows Server 2019 (Server Core installation)	`4503327 (Security Update)`	Important	Elevation of Privilege	Yes
Windows Server, version 1803 (Server Core Installation)	`4503286 (Security Update)`	Important	Elevation of Privilege	Yes
Windows Server, version 1903 (Server Core installation)	`4503293 (Security Update)`	Important	Elevation of Privilege	No

Patches

8 patches

Article	Type	Restart
`4503291`	Security Update	Yes
`4503267`	Security Update	Yes
`4503279`	Security Update	Yes
`4503284`	Security Update	Yes
`4503286`	Security Update	Yes
`4503327`	Security Update	Yes
`4503293`	Security Update	Yes
`4503276`	Monthly Rollup	Yes

Known Exploits

No known exploits have been linked for this CVE yet. When available, exploit references will be sourced from public repositories and may be unverified, incomplete, or non-functional. Always review code carefully before use in any environment.

Acknowledgments

Matt Beaver of Microsoft Corp.
Erik Peterson of Microsoft Corp.

References

MSRC Advisory MITRE NVD