ID CVE-2019-19194
Summary The Bluetooth Low Energy Secure Manager Protocol (SMP) implementation on Telink Semiconductor BLE SDK versions before November 2019 for TLSR8x5x through 3.4.0, TLSR823x through 1.3.0, and TLSR826x through 3.3 devices installs a zero long term key (LTK) if an out-of-order link-layer encryption request is received during Secure Connections pairing. An attacker in radio range can have arbitrary read/write access to protected GATT service data, cause a device crash, or possibly control a device's function by establishing an encrypted session with the zero LTK.
References
Vulnerable Configurations
  • cpe:2.3:a:telink-semi:tlsr8258_ble_sdk:*:*:*:*:*:*:*:*
    cpe:2.3:a:telink-semi:tlsr8258_ble_sdk:*:*:*:*:*:*:*:*
  • cpe:2.3:h:telink-semi:tlsr8258:-:*:*:*:*:*:*:*
    cpe:2.3:h:telink-semi:tlsr8258:-:*:*:*:*:*:*:*
  • cpe:2.3:a:telink-semi:tlsr8269_ble_sdk:*:*:*:*:*:*:*:*
    cpe:2.3:a:telink-semi:tlsr8269_ble_sdk:*:*:*:*:*:*:*:*
  • cpe:2.3:h:telink-semi:tlsr8269:-:*:*:*:*:*:*:*
    cpe:2.3:h:telink-semi:tlsr8269:-:*:*:*:*:*:*:*
  • cpe:2.3:a:telink-semi:tlsr8253_ble_sdk:*:*:*:*:*:*:*:*
    cpe:2.3:a:telink-semi:tlsr8253_ble_sdk:*:*:*:*:*:*:*:*
  • cpe:2.3:h:telink-semi:tlsr8253:-:*:*:*:*:*:*:*
    cpe:2.3:h:telink-semi:tlsr8253:-:*:*:*:*:*:*:*
  • cpe:2.3:a:telink-semi:tlsr8251_ble_sdk:*:*:*:*:*:*:*:*
    cpe:2.3:a:telink-semi:tlsr8251_ble_sdk:*:*:*:*:*:*:*:*
  • cpe:2.3:h:telink-semi:tlsr8251:-:*:*:*:*:*:*:*
    cpe:2.3:h:telink-semi:tlsr8251:-:*:*:*:*:*:*:*
  • cpe:2.3:a:telink-semi:tlsr8232_ble_sdk:*:*:*:*:*:*:*:*
    cpe:2.3:a:telink-semi:tlsr8232_ble_sdk:*:*:*:*:*:*:*:*
  • cpe:2.3:h:telink-semi:tlsr8232:-:*:*:*:*:*:*:*
    cpe:2.3:h:telink-semi:tlsr8232:-:*:*:*:*:*:*:*
CVSS
Base: 5.8 (as of 24-08-2020 - 17:37)
Impact:
Exploitability:
CWE NVD-CWE-noinfo
CAPEC
Access
VectorComplexityAuthentication
ADJACENT_NETWORK LOW NONE
Impact
ConfidentialityIntegrityAvailability
PARTIAL PARTIAL PARTIAL
cvss-vector via4 AV:A/AC:L/Au:N/C:P/I:P/A:P
refmap via4
misc
Last major update 24-08-2020 - 17:37
Published 12-02-2020 - 15:15
Last modified 24-08-2020 - 17:37
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