CVE-2021-31613

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.

CVSS v3.0 6.5 MEDIUM
CVSS v2.0 3.3 LOW

6.5^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

3.3^/10

CVSS v2.0 : LOW

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

Exploitability : 6.5 / Impact : 2.9

Access Vector ADJACENT_NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://launchstudio.bluetooth.com/ListingDetails/58628	Third Party Advisory
https://launchstudio.bluetooth.com/ListingDetails/19746	Third Party Advisory
https://dl.packetstormsecurity.net/papers/general/braktooth.pdf	Technical Description Third Party Advisory
http://www.zh-jieli.com/product/68-cn.html	Product Vendor Advisory

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Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:zh-jieli:ac6901_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:zh-jieli:ac6901:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:zh-jieli:ac6925_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:zh-jieli:ac6925:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND

cpe:2.3:o:zh-jieli:ac6926_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:zh-jieli:ac6926:-:*:*:*:*:*:*:*

Configuration 4 (hide)

AND

cpe:2.3:o:zh-jieli:ac6928_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:zh-jieli:ac6928:-:*:*:*:*:*:*:*

Configuration 5 (hide)

AND

cpe:2.3:o:zh-jieli:ac6921_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:zh-jieli:ac6921:-:*:*:*:*:*:*:*

Information

Published : 2021-09-06 23:15

Updated : 2021-09-09 15:55

NVD link : CVE-2021-31613

Mitre link : CVE-2021-31613

JSON object : View

CWE

NVD-CWE-noinfo

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Products Affected

zh-jieli

ac6926
ac6901_firmware
ac6928
ac6921_firmware
ac6925
ac6925_firmware
ac6928_firmware
ac6926_firmware
ac6921
ac6901

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