Privilege escalation in Microsoft SharePoint Server and Microsoft SharePoint Foundation - CVE-2018-0947

 

Privilege escalation in Microsoft SharePoint Server and Microsoft SharePoint Foundation - CVE-2018-0947

Published: March 13, 2018 / Updated: March 13, 2018


Vulnerability identifier: #VU11011
CSH Severity: Low
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:Clear
CVE-ID: CVE-2018-0947
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Microsoft
Affected software:
Microsoft SharePoint Server
Microsoft SharePoint Foundation

Detailed vulnerability description

The vulnerability allows a remote authenticated attacker to gain elevated privileges on the target system.

The weakness exists due to improper verification of tenant permissions by Microsoft SharePoint Server. A remote attacker can send a specially crafted request to an affected SharePoint server and gain system privileges allowing to read, change permissions, and edit or delete content.


How to mitigate CVE-2018-0947

Install updates from vendor's website.

Sources