CVE-2021-31613

Description

The Bluetooth Classic implementation on Zhuhai Jieli AC690X and AC692X devices does not properly handle the reception of a truncated LMP packet during the LMP auto rate procedure, allowing attackers in radio range to immediately crash (and restart) a device via a crafted LMP packet.

CvssV3 impact

BaseSeverity

MEDIUM

ConfidentialityImpact

NONE

AttackComplexity

LOW

Scope

UNCHANGED

AttackVector

ADJACENT_NETWORK

AvailabilityImpact

HIGH

IntegrityImpact

NONE

PrivilegesRequired

NONE

BaseScore

6.5

VectorString

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Version

3.1

UserInteraction

NONE

CvssV2 impact

AccessComplexity

LOW

ConfidentialityImpact

NONE

AvailabilityImpact

PARTIAL

IntegrityImpact

NONE

BaseScore

3.3

VectorString

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

Version

2.0

AccessVector

ADJACENT_NETWORK

Authentication

NONE