Vulnerability identifier: #VU69093

Vulnerability risk: Medium

CVSSv3.1: 6.4 [CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-41078

CWE-ID: CWE-451

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
Microsoft Exchange Server
Server applications / Mail servers

Vendor: Microsoft

Description

The vulnerability allows a remote user to perform spoofing attack.

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

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Microsoft Exchange Server: 2013 Cumulative Update 23 15.00.1497.002 - 2013 CU23 Oct22SU 15.00.1497.042, 2016 Cumulative Update 22 15.01.2375.007 - 2016 CU23 Oct22SU 15.01.2507.013, 2019 Preview 15.02.0196.000 - 2019 CU12 Oct22SU 15.02.1118.015

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External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-41078
http://www.zerodayinitiative.com/advisories/ZDI-22-1601/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.