Spoofing attack in Microsoft Exchange Server - CVE-2022-41079

Vulnerability identifier: #VU69096

CSH Severity: Medium

CVSS v4: 8.5 [CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2022-41079

CWE-ID: CWE-451

Exploitation vector: Adjecent network

Exploit availability: No public exploit available

The vulnerability allows a remote user to perform spoofing attack.

The vulnerability exists due to incorrect processing of user-supplied data within the SerializationTypeConverter class. A remote user can perform spoofing attack.

Microsoft Exchange Server

Install updates from vendor's website.

Microsoft Exchange Server - addressed in versions 2013 CU23 Nov22SU 15.00.1497.044, 2016 CU22 Nov22SU 15.01.2375.037, 2016 CU23 Nov22SU 15.01.2507.016, 2019 CU11 Nov22SU 15.02.0986.036, 2019 CU12 Nov22SU 15.02.1118.020

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-41079
• https://www.zerodayinitiative.com/advisories/ZDI-22-1604/

• Multiple vulnerabilities in Microsoft Exchange Server