Multiple vulnerabilities in Microsoft SharePoint Server

Published: 2022-11-08

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2022-41062 CVE-2022-41122
CWE-ID	CWE-20 CWE-451
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Microsoft SharePoint Server Server applications / Application servers Microsoft SharePoint Server Subscription Edition Server applications / Application servers Microsoft SharePoint Foundation Server applications / Application servers Microsoft SharePoint Enterprise Server Server applications / Application servers
Vendor	Microsoft

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Input validation error

EUVDB-ID: #VU69068

Risk: Medium

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-41062

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of user-supplied input in the Microsoft SharePoint Server. A remote user can pass specially crafted input to the application and execute arbitrary code on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Microsoft SharePoint Server: 2019

Microsoft SharePoint Server Subscription Edition: All versions

Microsoft SharePoint Foundation: 2013 Service Pack 1

Microsoft SharePoint Enterprise Server: 2013 Service Pack 1 - 2016

External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-41062

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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

2) Spoofing attack

EUVDB-ID: #VU69069