CERT-In Vulnerability Note
CIVN-2014-0276
Microsoft Office Memory Corruption Vulnerabilities
Original Issue Date:December 10, 2014
Severity Rating: MEDIUM
Systems Affected
- Microsoft Office 2007 SP3
- Microsoft Office 2010 SP2 (32-bit and 64-bit editions)
- Microsoft Office 2013 (32-bit and 64-bit editions)
- Microsoft Office 2013 RT
- Microsoft Office 2013 RT Service Pack 1
- Microsoft Office 2013 Service Pack 1 (32-bit and 64-bit editions)
- Microsoft Office Compatibility Pack SP3
- Microsoft Office Web Apps 2010 SP2
- Microsoft Office Web Apps 2013
- Microsoft Office Web Apps 2013 SP1
- Microsoft Office for Mac 2011
- Microsoft SharePoint Server 2010 SP2
- Microsoft SharePoint Server 2013
- Microsoft SharePoint Server 2013 SP1
- Microsoft Word Viewer
Overview
Multiple vulnerabilities have been reported in Microsoft Office word documents which could allow a remote attacker to execute arbitrary code on the target system.
Description
1. Memory Corruption Vulnerability
(
CVE-2014-6356
)
This vulnerability exists due to improper handling of Microsoft Office Word documents. A remote attacker could exploit this vulnerability by convincing a user to open a malicious document which triggers memory corruption. Successful exploitation of this vulnerability could lead to arbitrary code execution.
2. Use-After-Free Vulnerability
(
CVE-2014-6357
)
This vulnerability exists due to improper handling of Microsoft Office Word and Office Web Apps. A remote attacker could exploit this vulnerability by convincing a user to open a malicious document which triggers memory corruption. Successful exploitation of this vulnerability could lead to arbitrary code execution on the target system.
Solution
Apply appropriate patches as mentioned in Microsoft Security Bulletin
MS14-081
Vendor Information
Microsoft
https://technet.microsoft.com/en-us/library/security/MS14-081
References
Microsoft
https://technet.microsoft.com/en-us/library/security/MS14-081
Cisco
http://tools.cisco.com/security/center/viewAlert.x?alertId=36602
http://tools.cisco.com/security/center/viewAlert.x?alertId=36603
Securityfocus
http://www.securityfocus.com/bid/71469
http://www.securityfocus.com/bid/71470
Symantec
http://www.symantec.com/security_response/vulnerability.jsp?bid=71470
http://www.symantec.com/security_response/vulnerability.jsp?bid=71469
CVE Name
CVE-2014-6356
CVE-2014-6357
Disclaimer
The information provided herein is on "as is" basis, without warranty of any kind.
Contact Information
Email: info@cert-in.org.in Phone: +91-11-24368572
Postal address
Indian Computer Emergency Response Team (CERT-In)
Ministry of Electronics and Information Technology
Government of India
Electronics Niketan
6, CGO Complex, Lodhi Road,
New Delhi - 110 003
India
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