CVE-2020-16630 (GCVE-0-2020-16630)
Vulnerability from cvelistv5 – Published: 2021-09-20 19:20 – Updated: 2024-08-04 13:45
VLAI
EPSS
VEX
Summary
TI’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.
Severity
6.8 (Medium)
CWE
- n/a
Assigner
References
2 references
| URL | Tags |
|---|---|
| http://software-dl.ti.com/simplelink/esd/simpleli… | x_refsource_MISC |
| https://www.usenix.org/system/files/sec20-zhang-yue.pdf | x_refsource_MISC |
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