MS13-094 - Vulnerability in Microsoft Outlook Could Allow Information Disclosure (2894514)

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Details
Vulnerability name/brief description MS13-094 - Vulnerability in Microsoft Outlook Could Allow Information Disclosure (2894514)
CVE/CAN name
Vendor threat level Important
SophosLabs threat level Medium
Solution MS13-094
Vendor description This security update resolves a publicly disclosed vulnerability in Microsoft Outlook. The vulnerability could allow information disclosure if a user opens or previews a specially crafted email message using an affected edition of Microsoft Outlook. An attacker who successfully exploited this vulnerability could ascertain system information, such as the IP address and open TCP ports, from the target system and other systems that share the network with the target system.
SophosLabs comments This publicly disclosed vulnerability arose due to improper handling of the expansion of S/MIME certificate metadata, allowing system information to be disclosed. SophosLabs have not seen this vulnerability being publicly exploited. As a result, SophosLabs has rated this threat as Medium.
SophosLabs testing result No SophosLabs testing result found
Currently known exploits No currently known exploits found
First sample seen No samples found
Discovery date 12 Nov 2013
Affected software Microsoft Outlook 2007 Service Pack 3
Microsoft Outlook 2010 Service Pack 1 (32-bit editions)
Microsoft Outlook 2010 Service Pack 2 (32-bit editions)
Microsoft Outlook 2010 Service Pack 1 (64-bit editions)
Microsoft Outlook 2010 Service Pack 2 (64-bit editions)
Microsoft Outlook 2013 (32-bit editions)
Microsoft Outlook 2013 (64-bit editions)
Microsoft Office 2013 RT
Microsoft Outlook 2013 RT
References
Credits
  • MAPP
Revisions
  • November 12, 2013 - Initial Revision Written

Explanation of terms

Vulnerability Name/Brief Description:

Vendor identifier plus a brief description of the type of attack.

CVE/CAN Name:

Currently assigned CVE name. If a CVE name doesn't exist the CAN name will be used until a CVE has been assigned.

Vendor Threat Level:

Threat level assigned by the vendor

SophosLabs Threat Level:

Threat level assigned by SophosLabs

  • LOW RISK - There is little chance of this vulnerability being actively exploited by malware.
  • MEDIUM RISK - There is a possibility of this vulnerability being actively exploited by malware.
  • HIGH RISK - There is a strong possibility of this vulnerability being actively exploited by malware.
  • CRITICAL RISK - This vulnerability will almost certainly be actively exploited by malware.

Solution:

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Vendor Description:

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SophosLabs Comments:

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SophosLabs Testing Result:

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Currently Known Exploits:

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First Sample Seen:

Date of the first sample seen by SophosLabs.

Discovery Date:

Date of the earliest known publically disclosed advisory.

Affected Software:

Vulnerable platforms and software versions.