Privilege escalation in Microsoft Windows Bluetooth Driver



Published: 2022-08-09 | Updated: 2022-08-18
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-35820
CWE-ID CWE-285
Exploitation vector Local
Public exploit N/A
Vulnerable software
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Windows Server
Operating systems & Components / Operating system

Windows
Operating systems & Components / Operating system

Vendor Microsoft

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Improper Authorization

EUVDB-ID: #VU66324

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2022-35820

CWE-ID: CWE-285 - Improper Authorization

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to improper authorization logic within the bthport.sys driver when accessing registry keys. A local user can execute arbitrary code with SYSTEM privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Windows Server: 2003 - 2022 20H2

Windows: 7 - XP


CPE2.3 External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-35820
http://www.zerodayinitiative.com/advisories/ZDI-22-1068/

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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