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…

High · published July 29, 2009

CVSS v3.1
8.8
EPSS
38%
Percentile
98.5
In the wild
Unconfirmed
What it is

🚨 A crafted HTML document is the key to unlocking a world of trouble! This vulnerability in ATL could let attackers execute arbitrary code like a magician pulling rabbits out of a hat—only this time, it’s your system that’s on the line! ⚡ Think of it like a poorly secured kitchen where anyone can walk in and whip up a dish without any checks. If the chef (your software) isn’t careful about what ingredients (data) are allowed, you could end up with a recipe for disaster instead of dinner. An attacker could exploit this vulnerability to run any code on your system, potentially leading to data theft, system control, or even full server compromise. This would be absolutely devastating for any organization, putting sensitive information at risk and disrupting operations.

Put simply

Think of it like a poorly secured kitchen where anyone can walk in and whip up a dish without any checks. If the chef (your software) isn’t careful about what ingredients (data) are allowed, you could end up with a recipe for disaster instead of dinner. The ATL COM Initialization Vulnerability arises because the Active Template Library fails to properly restrict the use of OleLoadFromStream when instantiating objects from data streams. Consequently, this allows remote code execution through a crafted HTML document.

What to do

An attacker could exploit this vulnerability to run any code on your system, potentially leading to data theft, system control, or even full server compromise. This would be absolutely devastating for any organization, putting sensitive information at risk and disrupting operations. To mitigate this vulnerability, ensure you patch your Visual Studio installations to the latest versions and apply any security updates provided by Microsoft. Review your security policies to restrict the use of ATL components and controls whenever possible. You've got this! With the right steps, you can protect your systems and keep those pesky attackers at bay. 🛡️

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.37760 · 98.5th percentile
Published
2009-07-29T17:00Z
EPSS history
Timeline
  • 29 JUL 17:00Z
    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…
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