Vulnerability Monitor

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CVE-2020-15509

Nordic Semiconductor Android BLE Library through 2.2.1 and DFU Library through 1.10.4 for Android (as used by nRF Connect and other applications) can engage in unencrypted communication while showing the user that the communication is purportedly encrypted. The problem is in bond creation (e.g., internalCreateBond in BleManagerHandler).

Published

2020-07-07T14:15:11.380

Last Modified

2024-11-21T05:05:39.973

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.5 (MEDIUM)

CVSSv2 Vector

AV:A/AC:L/Au:N/C:P/I:N/A:N

Access Vector: ADJACENT_NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: NONE
Availability Impact: NONE

Exploitability Score

6.5

Impact Score

2.9

Weaknesses

Type: Primary
CWE-319

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	nordicsemi	android_ble_library	≤ 2.2.1	Yes
Application	nordicsemi	dfu_library	≤ 1.10.4	Yes

References

https://github.com/NordicSemiconductor/Android-BLE-Library/commits/master Patch, Third Party Advisory ([email protected])
https://github.com/NordicSemiconductor/Android-DFU-Library/commits/release Patch, Third Party Advisory ([email protected])
https://secretdiary.ninja/index.php/2020/07/03/norec-attack-stripping-ble-encryption-from-nordicsemis-android-library-cve-2020-15509/ Patch, Third Party Advisory ([email protected])
https://github.com/NordicSemiconductor/Android-BLE-Library/commits/master Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/NordicSemiconductor/Android-DFU-Library/commits/release Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://secretdiary.ninja/index.php/2020/07/03/norec-attack-stripping-ble-encryption-from-nordicsemis-android-library-cve-2020-15509/ Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)