Privilege escalation in Windows Common Log File System Driver



Published: 2023-02-14
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-23376
CWE-ID CWE-119
Exploitation vector Local
Public exploit This vulnerability is being exploited in the wild.
Vulnerable software
Subscribe 		Windows
Operating systems & Components / Operating system

Windows Server
Operating systems & Components / Operating system

Vendor Microsoft

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Buffer overflow

EUVDB-ID: #VU72169

Risk: High

CVSSv3.1:

CVE-ID: CVE-2023-23376

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error in Windows Common Log File System Driver. A local user can trigger memory corruption and execute arbitrary code with SYSTEM privileges.

Note, the vulnerability is being actively exploited in the wild.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Windows: 10 - 11 22H2

Windows Server: 2008 - 2022 20H2

CPE2.3 External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-23376

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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