CVE-2020-10134 Detail

Current Description

Pairing in Bluetooth® Core v5.2 and earlier may permit an unauthenticated attacker to acquire credentials with two pairing devices via adjacent access when the unauthenticated user initiates different pairing methods in each peer device and an end-user erroneously completes both pairing procedures with the MITM using the confirmation number of one peer as the passkey of the other. An adjacent, unauthenticated attacker could be able to initiate any Bluetooth operation on either attacked device exposed by the enabled Bluetooth profiles. This exposure may be limited when the user must authorize certain access explicitly, but so long as a user assumes that it is the intended remote device requesting permissions, device-local protections may be weakened.


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score matches with CNA score
CNA:  CERT/CC
Base Score:  6.3 MEDIUM
Vector:  CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N


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Note: The NVD and the CNA have provided the same score. When this occurs only the CNA information is displayed, but the Acceptance Level icon for the CNA is given a checkmark to signify NVD concurrence.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://kb.cert.org/vuls/id/534195/ Third Party Advisory  US Government Resource 
https://www.bluetooth.com/learn-about-bluetooth/bluetooth-technology/bluetooth-security/method-vulnerability/ Vendor Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-436 Interpretation Conflict cwe source acceptance level NIST  
CWE-351 Insufficient Type Distinction Reference acceptance level CERT/CC  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

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Quick Info

CVE Dictionary Entry:
CVE-2020-10134
NVD Published Date:
05/19/2020
NVD Last Modified:
05/21/2020
Source:
CERT/CC