CVE-2021-35093 : Possible memory corruption in BT controller when it receives an oversized LMP pa

Possible memory corruption in BT controller when it receives an oversized LMP packet over 2-DH1 link and leads to denial of service in BlueCore

Published 2022-01-03 08:15:09

Updated 2022-01-13 17:35:42

Source Qualcomm, Inc.

View at NVD, CVE.org

Vulnerability category: Memory CorruptionDenial of service

Products affected by CVE-2021-35093

Qualcomm » Csr8510 A10 Firmware » Version: N/A
cpe:2.3:o:qualcomm:csr8510_a10_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Csr8510 A10 » Version: N/A
Qualcomm » Csr8811 A12 Firmware » Version: N/A
cpe:2.3:o:qualcomm:csr8811_a12_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Csr8811 A12 » Version: N/A

EPSS FAQ

0.07%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 19 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
3.3	LOW	AV:A/AC:L/Au:N/C:N/I:N/A:P	6.5	2.9	NIST
Access Vector: Adjacent Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
6.5	MEDIUM	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	2.8	3.6	NIST
Attack Vector: Adjacent Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High
6.5	MEDIUM	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	2.8	3.6	Qualcomm, Inc.
Attack Vector: Adjacent Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

Assigned by: nvd@nist.gov (Primary)

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