Vulnerability identifier: #VU58562

Vulnerability risk: Low

CVSSv3.1: 5.7 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-35093

CWE-ID: CWE-119

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
CSR8510 A10
Hardware solutions / Firmware
CSR8811 A12
Hardware solutions / Firmware

Vendor: Qualcomm

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in Bluetooth Controller Firmware. A remote attacker on the local network can trigger memory corruption and cause a denial of service condition on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

CSR8510 A10: All versions

CSR8811 A12: All versions

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External links
http://www.qualcomm.com/company/product-security/bulletins/december-2021-bulletin

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.