Check Point Advisories

Microsoft SharePoint Callback Function Elevation of Privilege (MS13-024; CVE-2013-0080)

Vulnerability
Protection

Check Point Reference:	CPAI-2013-1339
Date Published:	12 Mar 2013
Severity:	High
Last Updated:	Sunday 27 April, 2014
Source:
Industry Reference:	CVE-2013-0080
Protection Provided by:	Security Gateway R81, R80, R77, R75, R71, R70
Who is Vulnerable?
Vulnerability Description	An information disclosure and elevation of privilege vulnerability has been reported in Microsoft SharePoint. The vulnerability is due to an error in the way Microsoft SharePoint handles specially crafted URLs containing malicious JavaScript elements. A remote attacker may exploit this issue by enticing a target user to open a specially crafted web page. An elevation of privilege exists in Microsoft SharePoint Server. An attacker who successfully exploited this vulnerability could allow an attacker, after obtaining sensitive system data, elevate their access to the server. An attacker may also be able to issue SharePoint commands in the context of an authenticated user.

Protection Overview

This protection will detect and block attempts to exploit this vulnerability.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R80 / R77 / R75 / R71 / R70

In the IPS tab, click Protections and find the Microsoft SharePoint Callback Function Elevation of Privilege (MS13-024) protection using the Search tool and Edit the protection's settings.
Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name: Web Client Enforcement Violation.
Attack Information: Microsoft SharePoint Callback Function Elevation of Privilege (MS13-024)