CVE-2020-12270 Detail

Current Description

** DISPUTED ** React Native Bluetooth Scan in Bluezone 1.0.0 uses six-character alphanumeric IDs, which might make it easier for remote attackers to interfere with COVID-19 contact tracing by using many IDs. NOTE: the vendor disputes the relevance of this report because the recipient of an F1 alert will know it was a false alert if contact-history comparison fails (i.e., an F0 is not actually part of the contact history obtained from the device of this recipient, or this recipient is not actually part of the contact history obtained from the device of an F0).


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  6.5 MEDIUM
Vector:  CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N


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Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://bluezone.ai/CVE
https://github.com/BluezoneGlobal/bluezone-app/blob/afa15fcec391f0edc51d0486a4ca84dd2520bbb3/CHANGELOG.md Release Notes  Third Party Advisory 
https://github.com/BluezoneGlobal/bluezone-app/blob/afa15fcec391f0edc51d0486a4ca84dd2520bbb3/package.json#L27 Third Party Advisory 
https://github.com/BluezoneGlobal/react-native-bluetooth-scan/blob/d9ee70fd594093a30e50b6e62a7593a8397c2dab/lib/android/src/main/AndroidManifest.xml#L11-L12 Third Party Advisory 
https://github.com/BluezoneGlobal/react-native-bluetooth-scan/blob/d9ee70fd594093a30e50b6e62a7593a8397c2dab/lib/android/src/main/java/com/scan/BluezonerIdGenerator.java#L18-L28 Third Party Advisory 
https://github.com/BluezoneGlobal/react-native-bluetooth-scan/blob/d9ee70fd594093a30e50b6e62a7593a8397c2dab/lib/android/src/main/java/com/scan/TraceCovidModule.java#L98 Third Party Advisory 
https://vnhacker.blogspot.com/2020/04/vietnams-contact-tracing-app_26.html Exploit  Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-330 Use of Insufficiently Random Values cwe source acceptance level NIST  

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Change History

3 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2020-12270
NVD Published Date:
04/27/2020
NVD Last Modified:
05/06/2020
Source:
MITRE