Vulnerability Monitor

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CVE-2021-31610

The Bluetooth Classic implementation on AB32VG1 devices does not properly handle the reception of continuous unsolicited LMP responses, allowing attackers in radio range to trigger a denial of service (either restart or deadlock the device) by flooding a device with LMP_AU_rand data.

Published

2021-09-07T07:15:06.990

Last Modified

2024-11-21T06:05:59.733

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.5 (MEDIUM)

CVSSv2 Vector

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

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

Exploitability Score

6.5

Impact Score

6.9

Weaknesses

Type: Primary
NVD-CWE-noinfo

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	mi	mi_true_wireless_earbuds_basic_2_firmware	-	Yes
Hardware	mi	mi_true_wireless_earbuds_basic_2	-	No
Operating System	bluetrum	ab5376t_firmware	-	Yes
Hardware	bluetrum	ab5376t	-	No
Operating System	bluetrum	bt8896a_firmware	-	Yes
Hardware	bluetrum	bt8896a	-	No

References

http://www.bluetrum.com/product/ab5376t.html Product, Vendor Advisory ([email protected])
http://www.bluetrum.com/product/bt8896a.html Product, Vendor Advisory ([email protected])
https://dl.packetstormsecurity.net/papers/general/braktooth.pdf Broken Link ([email protected])
https://www.mi.com/global/mi-true-wireless-earbuds-basic-2/ Not Applicable ([email protected])
http://www.bluetrum.com/product/ab5376t.html Product, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.bluetrum.com/product/bt8896a.html Product, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://dl.packetstormsecurity.net/papers/general/braktooth.pdf Broken Link (af854a3a-2127-422b-91ae-364da2661108)
https://www.mi.com/global/mi-true-wireless-earbuds-basic-2/ Not Applicable (af854a3a-2127-422b-91ae-364da2661108)