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Vulnerability protection

Microsoft SharePoint vulnerabilities could allow escalation of privilege


Report ID: MS201202004
Date Published: 15 February 2012

Criticality: Important
Compromise Type: cross-site-scripting information-disclosure privilege-escalation
Compromise From: remote


Affected Product/Component:

Microsoft SharePoint Server 2010
Microsoft SharePoint Foundation 2010




Summary

Three cross-site scripting vulnerabilities in Microsoft SharePoint could lead to information disclosure or escalation of privilege.



Detailed Description

Microsoft has issued a security update for Microsoft SharePoint 2010 to address three vulnerabilities, each of which could lead to information disclosure or escalation of privilege.

The vulnerabilities were caused by improper handling of malicious JavaScript elements that are contained in a URL, allowing the script to be echoed to the user's browser. Upon successful exploit, an attacker could access restricted content, and assume the victim's identity and perform actions on the victim's behalf.

These issues have been resolved in the latest update by making correction on the way that Microsoft SharePoint validates and sanitizes user input. As a protection against potential exploit, users are recommended to install this latest update.



CVE Reference

CVE-2012-0017
CVE-2012-0144
CVE-2012-0145



Solution

Install the latest security patch for applicable system, available for download from (https://technet.microsoft.com/en-us/security/bulletin/ms12-011)




Security Advisories

For a list of known vulnerabilities affecting F-Secure products and the released fixes, please refer to the Security Advisories page.