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CVE-2009-2493

HIGHCVSS 8.8/10EPSS 43.39%

Last modified

CVE-2009-2493 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. The Active Template Library (ATL) in Microsoft Visual Studio .NET 2003 SP1, Visual Studio 2005 SP1 and 2008 Gold and SP1, 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 properly restrict use of OleLoadFromStream in instantiating objects from data streams, which allows remote attackers to execute arbitrary code via a crafted HTML document with an ATL (1) component or (2) control, related to ATL headers and bypassing security policies, aka "ATL COM Initialization Vulnerability.". EPSS estimates a 43.39% chance of exploitation in the next 30 days.

Description

The Active Template Library (ATL) in Microsoft Visual Studio .NET 2003 SP1, Visual Studio 2005 SP1 and 2008 Gold and SP1, 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 properly restrict use of OleLoadFromStream in instantiating objects from data streams, which allows remote attackers to execute arbitrary code via a crafted HTML document with an ATL (1) component or (2) control, related to ATL headers and bypassing security policies, aka "ATL COM Initialization Vulnerability."

Metrics

CVSS 3.1
8.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability
43.39%

98.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
MicrosoftVisual C\+\+2005Sp1
MicrosoftVisual C\+\+2008—
MicrosoftWindows 2000All versionsSp4
MicrosoftWindows 2003 ServerAll versionsSp2
MicrosoftWindows Server 2008All versionsSp2
MicrosoftWindows VistaAll versionsSp1
MicrosoftWindows XpAll versionsSp2
MicrosoftVisual Studio2003Sp1
MicrosoftVisual Studio2005Sp1
MicrosoftVisual Studio2008—

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2009-2493?
The Active Template Library (ATL) in Microsoft Visual Studio .NET 2003 SP1, Visual Studio 2005 SP1 and 2008 Gold and SP1, 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 properly restrict use of OleLoadFromStream in instantiating objects from data streams, which allows remote attackers to execute arbitrary code via a crafted HTML document with an ATL (1) component or (2) control, related to ATL headers and bypassing security policies, aka "ATL COM Initialization Vulnerability."
How severe is CVE-2009-2493?
CVE-2009-2493 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 43.39% probability of exploitation in the next 30 days.
How do I fix CVE-2009-2493?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2009-2493?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST