CERT-In Vulnerability Note
CIVN-2013-0203
Information Disclosure Vulnerability in Microsoft Outlook
Original Issue Date:November 13, 2013
Severity Rating: HIGH
Component Affected
- Microsoft Office 2007 SP 3
- Microsoft Office 2010 SP 1 (32-bit editions & 64-bit editions)
- Microsoft Office 2010 SP 2 (32-bit editions & 64-bit editions)
- Microsoft Office 2013 (32-bit editions & 64-bit editions)
- Microsoft Office 2013 RT
Overview
An information disclosure vulnerability has been reported in Microsoft Outlook which could allow an attacker to access to potentially sensitive information which may aid in further attacks.
Description
The vulnerability exists in Microsoft Outlook due to improper handling of the expanded S/MIME (Secure/Multipurpose Internet Mail Extensions) certificate metadata. An attacker could exploit this vulnerability by sending a malicious email message to a user and enticing the user to open it.
Successful exploitation could allow the attacker to access sensitive information such as the system IP address and open network ports of the target system and connected systems.
Workaround
- Disable the Reading Pane in Outlook.
Solution
Apply appropriate patches as mentioned in Microsoft Security Bulletin
MS13-094
Vendor Information
Microsoft
http://technet.microsoft.com/en-us/security/bulletin/ms13-094
References
Microsoft
http://technet.microsoft.com/en-us/security/bulletin/ms13-094
Secunia
http://secunia.com/advisories/55574
Security Focus
http://www.securityfocus.com/bid/63603
CVE Name
CVE-2013-3905
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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