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Microsoft Windows Various Components ATL Vulnerabilities

Secunia Advisory:

SA36187

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Release Date:

2009-08-11

Popularity:

609 views

Critical:

Highly critical

Impact:

Security Bypass
System access

Where:

From remote

Solution Status:

Vendor Patch

OS:

Microsoft Windows 2000 Advanced Server
Microsoft Windows 2000 Datacenter Server
Microsoft Windows 2000 Professional
Microsoft Windows 2000 Server
Microsoft Windows Server 2003 Datacenter Edition
Microsoft Windows Server 2003 Enterprise Edition
Microsoft Windows Server 2003 Standard Edition
Microsoft Windows Server 2003 Web Edition
Microsoft Windows Server 2008
Microsoft Windows Storage Server 2003
Microsoft Windows Vista
Microsoft Windows XP Home Edition
Microsoft Windows XP Professional

Software:

Microsoft Outlook Express 5.5
Microsoft Outlook Express 6
Microsoft Windows Media Player 10.x
Microsoft Windows Media Player 11.x
Microsoft Windows Media Player 9.x

Secunia CVSS-2 Score:

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Advisory Content (Page 1 of 3)

[ 1 ] [ 2 ] [ 3 ]

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Description:
Multiple vulnerabilities have been reported in various Windows components, which can be exploited by malicious people to bypass security features or compromise a user's system.

1) An error in the Microsoft ATL (Active Template Library) "CComVariant::ReadFromStream()" function used in the ATL headers can be exploited to read data from a stream directly onto the stack, causing a buffer overflow.

For more information see vulnerability #1:
SA35683

2) A boundary error in the Microsoft ATL Load method of the IPersistStreamInit interface can be exploited to cause a buffer overflow.

For more information see vulnerability #2:
SA35683

3) An error in the Microsoft ATL headers may result in VariantClear() being called on a VARIANT that has not been correctly initialised.

For more information see vulnerability #1:
SA35967

4) An error in the ATL headers when handling object instantiation from data streams may allow bypassing of security policies such as kill-bits in Internet Explorer.

For more information see vulnerability #2:
SA35967

5) An error in the ATL headers due to insufficient validation of a VARIANT read from a stream could result in unintended memory being freed when deleting the VARIANT. This can be exploited to corrupt memory when a user e.g. views a specially crafted web page.

Change Page:
[ 1 ] [ 2 ] [ 3 ]

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