CVE-2009-1127 Null dereference in n/a

What is CVE-2009-1127?

CVE-2009-1127 is a high-severity vulnerability in Microsoft Windows 2000, published on 11 Nov 2009. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

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."

Weakness: CWE-20

Which versions are affected by CVE-2009-1127?

It affects 5 products.

Products include Microsoft Windows 2000, Microsoft Windows 2003 Server, Microsoft Windows Server 2008, Microsoft Windows Vista, Microsoft Windows Xp.

How do I fix CVE-2009-1127?

No fix has been published for CVE-2009-1127 yet. Limit exposure of the affected software until one is available.

Is CVE-2009-1127 being exploited?

There is no known exploitation of CVE-2009-1127 in the wild and no public exploit code.

Other vulnerabilities in Microsoft Windows 2000

• CVE-2008-4250 Microsoft Windows Buffer Overflow Exploited Critical 9.8
• CVE-2010-0232 Microsoft Windows Kernel Exception Handler Exploited High 7.8
• CVE-2009-1123 Microsoft Windows Improper Input Validation Exploited High 7.8
• CVE-2002-0367 Microsoft Windows Privilege Escalation Exploited High 7.8
• CVE-2010-0269 Memory corruption in n/a Critical 10.0

All Microsoft Windows 2000 vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-7cgh-j584-9v44.