Microsoft Word Zero-Day Vulnerability
Date: 25 March 2014
The purpose of this Alert is to bring attention to Microsoft Security Advisory 2953095 that describes a vulnerability in Microsoft Word recently used in targeted attacks.
The vulnerability could allow remote code execution if a user opens a specially crafted RTF file using an affected version of Microsoft Word, or previews or opens a specially crafted RTF email message in Microsoft Outlook while using Microsoft Word as the email viewer. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. In a web-based attack scenario, an attacker could host a website with a webpage that contains a specially crafted RTF file that is used to attempt to exploit this vulnerability.
- Microsoft Word 2003 Service Pack 3
- Microsoft Word 2007 Service Pack 3
- Microsoft Word 2010 Service Pack 1 (32-bit editions)
- Microsoft Word 2010 Service Pack 2 (32-bit editions)
- Microsoft Word 2010 Service Pack 1 (64-bit editions)
- Microsoft Word 2010 Service Pack 2 (64-bit editions)
- Microsoft Word 2013 (32-bit editions)
- Microsoft Word 2013 (64-bit editions)
- Microsoft Word 2013 RT
- Microsoft Word Viewer
- Microsoft Office Compatibility Pack Service Pack 3
- Microsoft Office for Mac 2011
- Word Automation Services on Microsoft SharePoint Server 2010 Service Pack 1
- Word Automation Services on Microsoft SharePoint Server 2010 Service Pack 2
- Word Automation Services on Microsoft SharePoint Server 2013
- Microsoft Office Web Apps 2010 Service Pack 1
- Microsoft Office Web Apps 2010 Service Pack 2
- Microsoft Office Web Apps Server 2013
*Note that by default, Microsoft Word is the email reader in Microsoft Outlook 2007, Microsoft Outlook 2010, and Microsoft Outlook 2013.
CVE Reference: CVE-2014-1761
Microsoft has released a Security Advisory and suggested actions to assist in addressing the vulnerability. CCIRC recommends that organizations review this information and consider their implementation in the context of their network environment.
Note to Readers
In support of Public Safety's mission to build a safe and resilient Canada, CCIRC's mandate is to help ensure the security and resilience of the vital non-federal government cyber systems that underpin Canada's national security, public safety and economic prosperity. As Canada's computer security incident response team, CCIRC is Canada's national coordination centre for the prevention and mitigation of, preparedness for, response to, and recovery from cyber incidents on non-federal government systems. It does this by providing authoritative advice and support, and coordinating information sharing and incident response.
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