Advisory Details

August 3rd, 2012

Microsoft .NET Framework Undersized Glyph Buffer Remote Code Execution Vulnerability

CVE ID	CVE-2012-0162
CVSS SCORE	7.5, AV:N/AC:L/Au:N/C:P/I:P/A:P
AFFECTED VENDORS	Microsoft
AFFECTED PRODUCTS	.NET
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of the .NET Framework. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within Microsoft .NET handling of XAML Browser Applications (XBAP) graphics components. It is possible to cause an undersized allocation for a buffer which is populated with user-supplied glyph data, resulting in memory corruption which can be leveraged to remotely execute code.
ADDITIONAL DETAILS	Microsoft has issued an update to correct this vulnerability. More details can be found at: http://technet.microsoft.com/en-us/security/bulletin/ms12-034
DISCLOSURE TIMELINE	2011-12-07 - Vulnerability reported to vendor 2012-08-03 - Coordinated public release of advisory
CREDIT	Vitaliy Toropov

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