MS10-045 - Vulnerability in Microsoft Office Outlook Could Allow Remote Code Execution (978212)

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	Details
Vulnerability name/brief description	MS10-045 - Vulnerability in Microsoft Office Outlook Could Allow Remote Code Execution (978212)
CVE/CAN name	CVE-2010-0266
Vendor threat level	Important
SophosLabs threat level	Medium
Solution	MS10-045
Vendor description	This security update resolves a privately reported vulnerability that could allow remote code execution if a user opened an attachment in a specially crafted e-mail message using an affected version of Microsoft Office Outlook. An attacker who successfully exploited this vulnerability could gain the same rights as the local user. Users whose accounts are configured to have fewer rights on the system could be less impacted than users who operate with administrative user rights.
SophosLabs comments	This update encompasses the way Microsoft Office Outlook verifies attachments in a specially crafted e-mail message. The fact that this vulnerability has not been publicly disclosed, and that we are yet to see any malware that exploit these issues have been considered when assigning the SophosLabs threat rating of Medium, although we do recommend that users apply this patch at their earliest convenience.
SophosLabs testing result	N/A
Currently known exploits	At the time of writing SophosLabs have not observed any malware attempting to exploit this vulnerability. Should this situation change samples will be analyzed and we will take action as necessary.
First sample seen	At the time of writing SophosLabs have not observed any malware attempting to exploit this vulnerability. Should this situation change samples will be analyzed and we will take action as necessary.
Discovery date	July 13, 2010
Affected software	Microsoft Office XP Service Pack 3 Microsoft Office 2003 Service Pack 3 2007 Microsoft Office System Service Packs 1 and 2
References	http://www.microsoft.com/technet/security/bulletin/MS10-045.mspx http://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2010-0266
Credits	Microsoft MAPP
Revisions	July 13, 2010 - Initial analysis 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:
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Affected Software:
Vulnerable platforms and software versions.