CVE-2021-34149

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-34149
The Bluetooth Classic implementation on the Texas Instruments CC256XCQFN-EM does not properly handle the reception of continuous LMP_AU_Rand packets, allowing attackers in radio range to trigger a denial of service (deadlock) of the device by flooding it with LMP_AU_Rand packets after the paging procedure.

6.5 /10

CVSS v3 : MEDIUM

V3 Legend

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

V2 Legend

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://dl.packetstormsecurity.net/papers/general/braktooth.pdf Technical Description Third Party Advisory
https://www.ti.com/product/CC2564C Product Vendor Advisory
https://www.ti.com/tool/CC256XC-BT-SP#primary-sw Product Vendor Advisory
https://dl.packetstormsecurity.net/papers/general/braktooth.pdf Technical Description Third Party Advisory
https://www.ti.com/product/CC2564C Product Vendor Advisory
https://www.ti.com/tool/CC256XC-BT-SP#primary-sw Product Vendor Advisory
Configurations

Configuration 1 (hide)

AND
cpe:2.3:o:ti:cc256xcqfn-em_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:ti:cc256xcqfn-em:-:*:*:*:*:*:*:*
History

21 Nov 2024, 06:09

Type Values Removed Values Added
References () https://dl.packetstormsecurity.net/papers/general/braktooth.pdf - Technical Description, Third Party Advisory () https://dl.packetstormsecurity.net/papers/general/braktooth.pdf - Technical Description, Third Party Advisory
References () https://www.ti.com/product/CC2564C - Product, Vendor Advisory () https://www.ti.com/product/CC2564C - Product, Vendor Advisory
References () https://www.ti.com/tool/CC256XC-BT-SP#primary-sw - Product, Vendor Advisory () https://www.ti.com/tool/CC256XC-BT-SP#primary-sw - Product, Vendor Advisory

09 Sep 2021, 23:23

Type Values Removed Values Added
CPE cpe:2.3:h:ti:cc256xcqfn-em:-:*:*:*:*:*:*:*
cpe:2.3:o:ti:cc256xcqfn-em_firmware:-:*:*:*:*:*:*:*
CWE NVD-CWE-noinfo
References (MISC) https://www.ti.com/tool/CC256XC-BT-SP#primary-sw - (MISC) https://www.ti.com/tool/CC256XC-BT-SP#primary-sw - Product, Vendor Advisory
References (MISC) https://dl.packetstormsecurity.net/papers/general/braktooth.pdf - (MISC) https://dl.packetstormsecurity.net/papers/general/braktooth.pdf - Technical Description, Third Party Advisory
References (MISC) https://www.ti.com/product/CC2564C - (MISC) https://www.ti.com/product/CC2564C - Product, Vendor Advisory
CVSS v2 : unknown
v3 : unknown 		v2 : 3.3
v3 : 6.5

07 Sep 2021, 07:15

Type Values Removed Values Added
New CVE
Information

Published : 2021-09-07 07:15

Updated : 2024-11-21 06:09

NVD link : CVE-2021-34149

Mitre link : CVE-2021-34149

CVE.ORG link : CVE-2021-34149

JSON object : View

Products Affected

ti

  • cc256xcqfn-em
  • cc256xcqfn-em_firmware
CWE
NVD-CWE-noinfo