Buffer overflow in Windows and Windows Server - CVE-2022-37958

 

Buffer overflow in Windows and Windows Server - CVE-2022-37958

Published: September 13, 2022 / Updated: December 21, 2022


Vulnerability identifier: #VU67261
CSH Severity: Critical
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Red
CVE-ID: CVE-2022-37958
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Microsoft
Affected software:
Windows
Windows Server

Detailed vulnerability 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.


How to mitigate CVE-2022-37958

Install updates from vendor's website.

Sources