#VU22697 Arbitrary file upload in Microsoft SharePoint Foundation and Microsoft SharePoint Server - CVE-2019-1443
Published: November 12, 2019
Vulnerability identifier: #VU22697
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-1443
CWE-ID: CWE-434
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Microsoft SharePoint Foundation
Microsoft SharePoint Server
Microsoft SharePoint Foundation
Microsoft SharePoint Server
Software vendor:
Microsoft
Microsoft
Description
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to the way SharePoint server handles file uploads. A remote authenticated user can upload a specially crafted file to the server and use it to obtain SMB hashes.
Remediation
Install updates from vendor's website.