Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2021-31612

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
07/09/2021
Last modified:
15/09/2021

Description

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.

Impact

Vector 3.x
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 6.50 MEDIUM
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x
6.50
Severity 3.x
MEDIUM
Vector 2.0
AV:A/AC:L/Au:N/C:N/I:N/A:C CVSS v2.0 Severity and Metrics:

Base Score: 6.10 MEDIUM
Vector: AV:A/AC:L/Au:N/C:N/I:N/A:C

Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete

Base Score 2.0
6.10
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:zh-jieli:ac6901_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:zh-jieli:ac6901:-:*:*:*:*:*:*:*
cpe:2.3:o:zh-jieli:ac690n_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:zh-jieli:ac690n:-:*:*:*:*:*:*:*
cpe:2.3:o:zh-jieli:ac692n_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:zh-jieli:ac692n:-:*:*:*:*:*:*:*
cpe:2.3:o:zh-jieli:ac6902_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:zh-jieli:ac6902:-:*:*:*:*:*:*:*
cpe:2.3:o:zh-jieli:ac6903_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:zh-jieli:ac6903:-:*:*:*:*:*:*:*
cpe:2.3:o:zh-jieli:ac6905_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:zh-jieli:ac6905:-:*:*:*:*:*:*:*
cpe:2.3:o:zh-jieli:ac6904_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:zh-jieli:ac6904:-:*:*:*:*:*:*:*
cpe:2.3:o:zh-jieli:ac6907_firmware:-:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools