CVE-2020-11957

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Summary

CVECVE-2020-11957
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2020-06-09 19:15:00 UTC
Updated2020-06-22 13:42:00 UTC
DescriptionThe Bluetooth Low Energy implementation in Cypress PSoC Creator BLE 4.2 component versions before 3.64 generates a random number (Pairing Random) with significantly less entropy than the specified 128 bits during BLE pairing. This is the case for both authenticated and unauthenticated pairing with both LE Secure Connections as well as LE Legacy Pairing. A predictable or brute-forceable random number allows an attacker (in radio range) to perform a MITM attack during BLE pairing.

Risk And Classification

Problem Types: CWE-331

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Cypress Psoc 4.2 Ble All All All All
Application Cypress Psoc 4.2 Ble All All All All

References

ReferenceSourceLinkTags
www.cypress.com/file/504466/download CONFIRM www.cypress.com Product, Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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