Check Point Advisories

Microsoft Outlook Web Access Modified Canary Parameter Cross Site Scripting (MS15-026; CVE-2015-1628)

Check Point Reference: CPAI-2015-0233
Date Published: 10 Mar 2015
Severity: High
Last Updated: Tuesday 10 March, 2015
Source: Microsoft MS15-026
Industry Reference:CVE-2015-1628
Protection Provided by:

Security Gateway
R81, R80, R77, R75, R71, R70
Who is Vulnerable? Microsoft Exchange Server 2013 Service Pack 1
Microsoft Exchange Server 2013 Cumulative Update 7
Vulnerability Description An elevation of privilege vulnerability exists in Microsoft Exchange Server. The vulnerability is caused when Microsoft Exchange Server does not properly sanitize page content in Outlook Web App. A remote attacker can exploit this issue by enticing a victim to open a specially crafted URL.
Update/Patch AvaliableApply patches from: MS15-026

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

  1. In the IPS tab, click Protections and find the Microsoft Outlook Web Access Modified Canary Parameter Cross Site Scripting (MS15-026) 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:  NNTP Protection Violation.
Attack Information:  Microsoft Outlook Web Access Modified Canary Parameter Cross Site Scripting (MS15-026)

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