CVE-2011-1985 Null dereference in n/a

What is CVE-2011-1985?

CVE-2011-1985 is a high-severity vulnerability in Microsoft Windows 2003 Server, published on 12 Oct 2011. 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-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 does not properly validate user-mode input, which allows local users to gain privileges or cause a denial of service (NULL pointer dereference and system crash) via a crafted application, aka "Win32k Null Pointer De-reference Vulnerability."

Weakness: CWE-476

Which versions are affected by CVE-2011-1985?

It affects 6 products.

Products include Microsoft Windows 2003 Server, Microsoft Windows 7, Microsoft Windows Server 2003, Microsoft Windows Server 2008, Microsoft Windows Vista, Microsoft Windows Xp.

How do I fix CVE-2011-1985?

No fix has been published for CVE-2011-1985 yet. Limit exposure of the affected software until one is available.

Is CVE-2011-1985 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2011-1985 exists.

Public exploit code: 1 Exploit-DB entry.

Other vulnerabilities in Microsoft Windows 2003 Server

• CVE-2008-0015 Microsoft Windows Video ActiveX Control Remote Code Execution Exploited High 8.8
• CVE-2015-1701 Microsoft Win32k Privilege Escalation Exploited High 7.8
• CVE-2013-5065 Microsoft Windows Kernel Privilege Escalation Exploited High 7.8
• CVE-2011-1268 Code injection in n/a Critical 10.0
• CVE-2011-1868 Memory corruption in n/a Critical 10.0

All Microsoft Windows 2003 Server vulnerabilities

Sources

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

Also known as GHSA-cm3v-7fgr-4cc4.