Remote code execution in Microsoft SharePoint Server

1) Input validation error

EUVDB-ID: #VU83068

Risk: Low

CVSSv3.1: 5.9 [CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-38177

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of user-supplied input in Microsoft SharePoint Server. A remote administrator on the local network 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 Enterprise Server: 2016

External links

http://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-38177

Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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