Check Point Advisories

Microsoft Edge document.domain Same Origin Policy Bypass (MS17-001: CVE-2017-0002)

Check Point Reference: CPAI-2017-0073
Date Published: 24 Jan 2017
Severity: Medium
Last Updated: Wednesday 08 February, 2017
Source: Microsoft MS17-001
Industry Reference:CVE-2017-0002
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable? Microsoft Edge.
Vulnerability Description A policy bypass vulnerability has been reported in Microsoft Edge. This vulnerability is due improper enforcement of cross-domain policies with pages that have an empty document.domain property. A remote attacker could exploit this vulnerability by enticing a user to visit a maliciously crafted web-page. Successful exploitation of this vulnerability would allow an attacker to bypass the same origin policy and disclose sensitive information.
Update/Patch AvaliableApply patches from: MS17-001

Protection Overview

This protection detects 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

  1. In the IPS tab, click Protections and find the Microsoft Edge document.domain Same Origin Policy Bypass (MS17-001: CVE-2017-0002) protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name:  Web Client Enforcement Violation.
Attack Information:  Microsoft Edge document.domain Same Origin Policy Bypass (MS17-001: CVE-2017-0002)

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