CVE-2009-2516: Input Validation
First published: Wed Oct 14 2009(Updated: )
The kernel in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP2, Vista Gold and SP1, and Server 2008 Gold does not properly validate data sent from user mode, which allows local users to gain privileges via a crafted PE .exe file that triggers a NULL pointer dereference during chain traversal, aka "Windows Kernel NULL Pointer Dereference Vulnerability."
Credit: secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft Windows 2000 | =sp4 | |
| Microsoft Windows Server | =sp2 | |
| Microsoft Windows Server | ||
| Microsoft Windows Server | ||
| Microsoft Windows Server | ||
| Microsoft Windows Vista | ||
| Microsoft Windows Vista | ||
| Microsoft Windows Vista | =sp1 | |
| Microsoft Windows XP | =sp2 | |
| Microsoft Windows XP | =sp2 | |
| Microsoft Windows XP | =sp2 | |
| Microsoft Windows XP | =sp2 | |
| Microsoft Windows XP | =sp3 | |
| Microsoft Windows XP | =x64 | |
| Microsoft Windows Vista | =sp1 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2009-2516?
CVE-2009-2516 is considered a critical vulnerability that allows local users to gain elevated privileges.
How do I fix CVE-2009-2516?
To fix CVE-2009-2516, apply the latest security patches from Microsoft for the affected versions of Windows.
What versions of Windows are affected by CVE-2009-2516?
CVE-2009-2516 affects Windows 2000 SP4, Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista Gold and SP1, and Windows Server 2008.
Can CVE-2009-2516 be exploited remotely?
CVE-2009-2516 cannot be exploited remotely; it requires local access to the machine.
What type of attack is CVE-2009-2516 associated with?
CVE-2009-2516 is associated with privilege escalation attacks through crafted executable files.
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