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ZDI-07-047: Microsoft Windows Media Player Malformed Skin Header Code Execution Vulnerability



ZDI-07-047: Microsoft Windows Media Player Malformed Skin Header Code
            Execution Vulnerability
http://www.zerodayinitiative.com/advisories/ZDI-07-047.html
August 14, 2007

-- CVE ID:
CVE-2007-3035

-- Affected Vendor:
Microsoft

-- Affected Products:
Windows Media Player 7.1
Windows Media Player 9
Windows Media Player 10
Windows Media Player 11

-- Vulnerability Details:
This vulnerability allows attackers to execute arbitrary code on
vulnerable installations of Microsoft Windows Media Player. 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 while decompressing skin files (.WMZ and .WMD)
with malformed headers. During this process the malformed values are
used to improperly calculate data which can later allow an attacker to
execute code under the rights of the current 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/MS07-047.mspx

-- Disclosure Timeline:
2007.05.22 - Vulnerability reported to vendor
2007.08.14 - Coordinated public release of advisory

-- Credit:
This vulnerability was discovered by Piotr Bania.

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