How can I help you? Start Chat

US Phone: 1-866-488-6691
International Phone: +44-2036087492

  • E-Mail
  • Facebook
  • LinkedIn
  • Twitter

Check Point Advisories

Microsoft SharePoint Script in Username Cross-site Scripting (MS12-050; CVE-2012-1861)

Check Point Reference: CPAI-2012-310
Date Published: 10 Jul 2012
Severity: High
Last Updated:
Source: CVE-2012-1861
Protection Provided by:

Security Gateway

  • R71
  • R75

  • Who is Vulnerable? Microsoft SharePoint Server
    Windows SharePoint Services and Microsoft SharePoint Foundation
    Microsoft Office Web Apps
    Vulnerability Description An elevation of privilege and cross-site scripting vulnerability has been reported in Microsoft SharePoint.
    Update/Patch AvaliableApply patches from: MS12-050
    Vulnerability DetailsThe 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. Successful exploitation of this vulnerability will allow an attacker to read content which was not intended to be disclosed. 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, Protection tab and select the version of your choice.

    Security Gateway R75 / R71 / R70

    1. In the IPS tab, click Protections and find the Microsoft SharePoint Script in Username Cross-site Scripting (MS12-050) protection using the Search tool and Edit the protection's settings.
    2. Install policy on all modules.

    SmartView Tracker will log the following entries:
    Attack Name: Web Client Enforcement Violation
    Attack Information: Microsoft SharePoint Script in Username Cross-site Scripting (MS12-050)