Code Injection in Microsoft SharePoint Server - CVE-2019-0952

 

Code Injection in Microsoft SharePoint Server - CVE-2019-0952

Published: May 15, 2019


Vulnerability identifier: #VU18468
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2019-0952
CWE-ID: CWE-94
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Microsoft
Affected software:
Microsoft SharePoint Server

Detailed vulnerability description

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

The vulnerability exists due to improper input validation when processing unsafe ASP.Net web controls. A authenticated attacker can create a specially crafted web page and perform arbitrary actions in the security context of the SharePoint application pool process.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2019-0952

Install updates from vendor's website.

Sources