Vulnerability Details CVE-2021-31612
The Bluetooth Classic implementation on Zhuhai Jieli AC690X devices does not properly handle the reception of an oversized LMP packet greater than 17 bytes during the LMP auto rate procedure, allowing attackers in radio range to trigger a deadlock via a crafted LMP packet.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 34.0%
CVSS Severity
CVSS v3 Score 6.5
CVSS v2 Score 6.1
References
- http://www.zh-jieli.com/product/68-cn.html
- https://dl.packetstormsecurity.net/papers/general/braktooth.pdf
- https://launchstudio.bluetooth.com/ListingDetails/19746
- http://www.zh-jieli.com/product/68-cn.html
- https://dl.packetstormsecurity.net/papers/general/braktooth.pdf
- https://launchstudio.bluetooth.com/ListingDetails/19746
Products affected by CVE-2021-31612
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cpe:2.3:h:zh-jieli:ac6901:-
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cpe:2.3:h:zh-jieli:ac6902:-
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cpe:2.3:h:zh-jieli:ac6903:-
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cpe:2.3:h:zh-jieli:ac6904:-
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cpe:2.3:h:zh-jieli:ac6905:-
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cpe:2.3:h:zh-jieli:ac6907:-
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cpe:2.3:h:zh-jieli:ac6908:-
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cpe:2.3:h:zh-jieli:ac690n:-
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cpe:2.3:h:zh-jieli:ac692n:-
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cpe:2.3:h:zh-jieli:ac6997:-
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cpe:2.3:h:zh-jieli:ac6998:-
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cpe:2.3:h:zh-jieli:ac6999:-
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cpe:2.3:o:zh-jieli:ac6901_firmware:-
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cpe:2.3:o:zh-jieli:ac6902_firmware:-
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cpe:2.3:o:zh-jieli:ac6903_firmware:-
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cpe:2.3:o:zh-jieli:ac6904_firmware:-
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cpe:2.3:o:zh-jieli:ac6905_firmware:-
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cpe:2.3:o:zh-jieli:ac6907_firmware:-
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cpe:2.3:o:zh-jieli:ac6908_firmware:-
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cpe:2.3:o:zh-jieli:ac690n_firmware:-
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cpe:2.3:o:zh-jieli:ac692n_firmware:-
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cpe:2.3:o:zh-jieli:ac6997_firmware:-
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cpe:2.3:o:zh-jieli:ac6998_firmware:-
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cpe:2.3:o:zh-jieli:ac6999_firmware:-