The Active Template Library (ATL) in Microsoft Visual Studio .NET 2003 SP1, Visual Studio 2005 SP1 and 2008 Gold, and Visual C++ 2005 SP1 and 2008 Gold and SP1; and Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP2, Vista Gold, SP1, and SP2, and Server 2008 Gold and SP2; does not prevent VariantClear calls on an uninitialized VARIANT, which allows remote attackers to execute arbitrary code via a malformed stream to an ATL (1) component or (2) control, related to ATL headers and error handling, aka "ATL Uninitialized Object Vulnerability."



Source: MITRE

Published: 2009-07-29

Updated: 2018-10-12

Type: CWE-94

Risk Information

CVSS v2.0

Base Score: 9.3

Vector: (AV:N/AC:M/Au:N/C:C/I:C/A:C)

Impact Score: 10

Exploitability Score: 8.6

Severity: HIGH