ZDI-08-040: Microsoft DirectX SAMI File Format Name Parsing Stack Overflow

Vulnerability

http://www.zerodayinitiative.com/advisories/ZDI-08-040

-- CVE ID:

CVE-2008-1444

-- Affected Vendors:

Microsoft

-- Affected Products:

Microsoft Windows 2000 SP4

-- TippingPoint(TM) IPS Customer Protection:

TippingPoint IPS customers have been protected against this

vulnerability by Digital Vaccine protection filter ID 6152.

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-- Vulnerability Details:

This vulnerability allows remote attackers to execute arbitrary code on

vulnerable installations of Microsoft Windows. 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 in the parsing of SAMI files.  When handling

the properties of a "Class Name" variable a lack of bounds checking can

result in a stack overflow.  Successful exploitation can lead to remote

code execution under the credentials of the logged in user.

-- Vendor Response:

Microsoft has issued an update to correct this vulnerability. More

details can be found at:

http://www.microsoft.com/technet/security/Bulletin/MS08-033.mspx

-- Disclosure Timeline:

2008-01-21 - Vulnerability reported to vendor

-- Credit:

This vulnerability was discovered by:

* Anonymous

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