CVE-2020-16630

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Summary

CVECVE-2020-16630
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-09-20 20:15:00 UTC
Updated2021-10-07 13:13:00 UTC
DescriptionTI’s BLE stack caches and reuses the LTK’s property for a bonded mobile. A LTK can be an unauthenticated-and-no-MITM-protection key created by Just Works or an authenticated-and-MITM-protection key created by Passkey Entry, Numeric Comparison or OOB. Assume that a victim mobile uses secure pairing to pair with a victim BLE device based on TI chips and generate an authenticated-and-MITM-protection LTK. If a fake mobile with the victim mobile’s MAC address uses Just Works and pairs with the victim device, the generated LTK still has the property of authenticated-and-MITM-protection. Therefore, the fake mobile can access attributes with the authenticated read/write permission.

Risk And Classification

Problem Types: CWE-863

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Ti 15.4-stack - All All All
Application Ti Ble5-stack - All All All
Application Ti Dynamic Multi-protocal Manager - All All All
Application Ti Easylink - All All All
Application Ti Openthread - All All All
Operating System Ti Real-time Operating System - All All All
Application Ti Z-stack - All All All

References

ReferenceSourceLinkTags
www.usenix.org/system/files/sec20-zhang-yue.pdf MISC www.usenix.org
Changelog MISC software-dl.ti.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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