CERT-In Vulnerability Note
CIVN-2013-0221
Microsoft Office Security Bypass Vulnerability
Original Issue Date:December 11, 2013
Severity Rating: MEDIUM
Systems Affected
- Microsoft Office 2007 SP3
- Microsoft Office 2010 SP1 (32-bit and 64-bit editions)
- Microsoft Office 2010 SP2 (32-bit and 64-bit editions)
Overview
A vulnerability has been reported in Microsoft Office shared component, which could allow a remote attacker to bypass the ASLR security feature on the targeted system.
Description
Address Space Layout Randomization (ASLR) moves executable images into random locations when a system boots, which helps prevent an attacker from leveraging data at predictable locations.
This vulnerability exists in Microsoft Office shared component due to improper implementation of the ASLR security feature. A remote attacker could exploit this vulnerability by enticing a user to view a crafted website using a web browser capable of instantiating COM components, resulting in bypassing the ASLR feature and could aid the ability to conduct further attacks.
Solution
Apply appropriate updates as mentioned in the Microsoft Security Bulletin
MS13-106
Vendor Information
Microsoft
http://technet.microsoft.com/en-us/security/bulletin/MS13-106
References
Microsoft
http://technet.microsoft.com/en-us/security/bulletin/MS13-106
CISCO
http://tools.cisco.com/security/center/viewAlert.x?alertId=31986
Security Focus
http://www.securityfocus.com/bid/64095/info
CVE Name
CVE-2013-5057
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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