Vulnerability: MS10-037 - Vulnerability in the Open Type Compact Font Format (CFF) Driver Could Allow Elevation of Privilege (980218)

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	Details
Vulnerability name/brief description	MS10-037 - Vulnerability in the Open Type Compact Font Format (CFF) Driver Could Allow Elevation of Privilege (980218)
CVE/CAN name	CVE-2010-0819
Vendor threat level	Important
SophosLabs threat level	Medium
Solution	MS10-037
Vendor description	Windows OpenType Compact Font Format driver may allow elevation of privilege if a user views content rendered in a specially crafted CFF font.
SophosLabs comments	A flaw in the validation of information being passed from usermode to kernel mode via the 'Windows OpenType Compact Font Format' driver could allow a user that is already logged in and executing code, to take complete control of affected systems. To exploit this vulnerability, an attacker would have to be logged in with sufficient permission to add and run a maliciously crafted application.
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	N/A
Discovery date	8th June 2010
Affected software	Microsoft Windows 2000 Service Pack 4 Windows XP Service Pack 2 and 3 Windows XP Professional x64 Edition Service Pack 2 Windows Server 2003 Service Pack 2 Windows Server 2003 x64 Edition Service Pack 2 Windows Server 2003 for Itanium-based Systems Service Pack 2 Windows Vista Service Pack 1 and 2 Windows Vista x64 Edition Service Pack 1 and 2 Windows Server 2008 for 32-bit Systems No Service Pack and Service Pack 2 Windows Server 2008 for x64-based Systems No Service Pack and Service Pack 2 Windows Server 2008 for Itanium-based Systems No Service Pack and Service Pack 2 Windows 7 for 32-bit Systems Windows 7 for x64-based Systems Windows Server 2008 R2 for x64-based Systems Windows Server 2008 R2 for Itanium-based Systems
References	http://www.microsoft.com/technet/security/bulletin/MS10-037.mspx http://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2010-0819
Credits	Microsoft MAPP
Revisions	8th June 2010 - Initial analysis written

Explanation of terms

Vulnerability Name/Brief Description:
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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.

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First Sample Seen:
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Discovery Date:
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Affected Software:
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