CVE-2009-1127: Input Validation
First published: Wed Nov 11 2009(Updated: )
win32k.sys in the kernel in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP2, Vista Gold, SP1, and SP2, and Server 2008 Gold and SP2 does not correctly validate an argument to an unspecified system call, which allows local users to gain privileges via a crafted application that triggers a NULL pointer dereference, aka "Win32k NULL Pointer Dereferencing Vulnerability."
Credit: secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft Windows 2000 | =sp4 | |
| Microsoft Windows Server 2003 | =sp2 | |
| Microsoft Windows Server 2003 | =sp2 | |
| Microsoft Windows Server 2003 | =sp2 | |
| Microsoft Windows Server | ||
| Microsoft Windows Server | ||
| Microsoft Windows Server | =sp2 | |
| Microsoft Windows Server | =sp2 | |
| Microsoft Windows Server | =gold | |
| Microsoft Windows Server | =sp2 | |
| Microsoft Windows Vista | ||
| Microsoft Windows Vista | ||
| Microsoft Windows Vista | =sp1 | |
| Microsoft Windows Vista | =sp2 | |
| Microsoft Windows XP | =sp2 | |
| Microsoft Windows XP | =sp3 | |
| Microsoft Windows XP | =sp2 | |
| Microsoft Windows Vista | =sp2 | |
| Microsoft Windows Vista | =sp1 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2009-1127?
CVE-2009-1127 has a critical severity rating, allowing local users to gain elevated privileges.
How do I fix CVE-2009-1127?
To remediate CVE-2009-1127, apply the security updates provided by Microsoft, specifically targeting the affected Windows versions.
Which versions of Windows are affected by CVE-2009-1127?
CVE-2009-1127 affects Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP2, Vista Gold, SP1 and SP2, and Server 2008.
Can CVE-2009-1127 be exploited remotely?
CVE-2009-1127 cannot be exploited remotely; it requires local access to the vulnerable system.
What are the potential impacts of CVE-2009-1127 exploitation?
Exploitation of CVE-2009-1127 can lead to unauthorized local access with elevated privileges, potentially allowing users to install programs, change settings, or access sensitive information.
- agent/weakness
- agent/type
- agent/references
- agent/severity
- agent/description
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/first-publish-date
- agent/event
- agent/source
- agent/author
- agent/softwarecombine
- agent/tags
- collector/nvd-api
- agent/software-canonical-lookup-request
- collector/nvd-historical
- collector/nvd-index
- vendor/microsoft
- canonical/microsoft windows 2000
- version/microsoft windows 2000/sp4
- canonical/microsoft windows server 2003
- version/microsoft windows server 2003/sp2
- canonical/microsoft windows server
- version/microsoft windows server/sp2
- version/microsoft windows server/gold
- canonical/microsoft windows vista
- version/microsoft windows vista/sp1
- version/microsoft windows vista/sp2
- canonical/microsoft windows xp
- version/microsoft windows xp/sp2
- version/microsoft windows xp/sp3