Unrated severityNVD Advisory· Published Sep 11, 2020· Updated Aug 4, 2024
CVE-2020-15802
CVE-2020-15802
Description
Devices supporting Bluetooth before 5.1 may allow man-in-the-middle attacks, aka BLURtooth. Cross Transport Key Derivation in Bluetooth Core Specification v4.2 and v5.0 may permit an unauthenticated user to establish a bonding with one transport, either LE or BR/EDR, and replace a bonding already established on the opposing transport, BR/EDR or LE, potentially overwriting an authenticated key with an unauthenticated key, or a key with greater entropy with one with less.
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Affected products
1- Range: 4.2, 5.0
Patches
Vulnerability mechanics
References
3- gizmodo.com/bluetooth-unveils-its-latest-security-issue-with-no-se-1845013709mitrex_refsource_MISC
- www.bluetooth.com/learn-about-bluetooth/bluetooth-technology/bluetooth-security/blurtooth/mitrex_refsource_CONFIRM
- www.kb.cert.org/vuls/id/589825mitrex_refsource_MISC
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