Denial of service in Qualcomm DVK-BT900-SA



Published: 2021-09-06
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID N/A
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
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CSR8811
Mobile applications / Mobile firmware & hardware

CSR8510
Mobile applications / Mobile firmware & hardware

DVK-BT900-SA
Hardware solutions / Firmware

Vendor Qualcomm

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Input validation error

EUVDB-ID: #VU56328

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to the Bluetooth Classic implementation allows an LMP length overflow over 2-DH1, resulting in a Deadlock outcome. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

CSR8811: before 9.1.12.14

CSR8510: before 9.1.12.14

DVK-BT900-SA: All versions

External links

http://asset-group.github.io/disclosures/braktooth/


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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



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