HTTP: Microsoft Windows win32k.sys kernel mode null pointer dereference
This signature detects attempts to exploit a known vulnerability in the Microsoft Windows. A successful attack can lead to arbitrary code execution.
Extended 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."
Affected Products
Microsoft windows_vista
References
CVE: CVE-2011-1985
Short Name
HTTP:STC:DL:CVE-2011-1985-CE
Severity
Major
Recommended
True
Recommended Action
Drop
Category
HTTP
Keywords
CVE-2011-1985 Microsoft Windows dereference kernel mode null pointer win32k.sys
Release Date
06/09/2015
Supported Platforms
srx-branch-12.3
srx-19.3
srx-branch-19.3
vsrx3bsd-19.2
srx-branch-19.4
vsrx-19.4
mx-12.3
mx-19.4
vmx-19.4
mx-19.3
vsrx3bsd-19.4
srx-19.4
vsrx-12.3
vmx-19.3
vsrx-19.2
srx-12.3
Sigpack Version
3659
False Positive
Unknown
Vendors
Microsoft
CVSS Score
7.2