ID:5492 - Exploit for Code Injection in Microsoft SharePoint Server and Microsoft SharePoint Foundation - CVE-2019-0604

Link to public exploit:

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 source code markup of an application package. A remote attacker with ability to upload a malicious package to the SharePoint server can execute it on the system in the context of the SharePoint application pool and the SharePoint server farm account.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system but requires privileges to upload application packages.

Note: this vulnerability is being actively exploited in the wild since April 23.

Remediation