Remote code execution in Microsoft SPNEGO Extended Negotiation (NEGOEX) Security Mechanism



Published: 2022-09-13 | Updated: 2022-12-21
Risk Critical
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-37958
CWE-ID CWE-119
Exploitation vector Network
Public exploit N/A
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 critical risk vulnerability.

1) Buffer overflow

EUVDB-ID: #VU67261

Risk: Critical

CVSSv3.1:

CVE-ID: CVE-2022-37958

CWE-ID:

Exploit availability:

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the SPNEGO Extended Negotiation (NEGOEX) Security Mechanism implementation. A remote non-authenticated attacker can send a specially crafted request to any application that is using NEGOEX authentication protocol, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of the vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Windows: 7 - XP

Windows Server: 2003 - 2022 20H2

Fixed software versions

CPE2.3 External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-37958
http://twitter.com/chompie1337/status/1602757336908660736


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



###SIDEBAR###