Improper input validation in Microsoft SharePoint Server and Microsoft SharePoint Foundation - CVE-2018-8300
Published: July 10, 2018 / Updated: July 10, 2018
Vulnerability identifier: #VU13772
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2018-8300
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
Microsoft SharePoint Server
Microsoft SharePoint Foundation
Microsoft SharePoint Server
Microsoft SharePoint Foundation
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to improper check of the source markup of an application package. A remote unauthenticated attacker can trick the victim into uploading a specially crafted SharePoint application package to an affected versions of SharePoint and run arbitrary code 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.
How to mitigate CVE-2018-8300
Install updates from vendor's website.