SID 1-33770

Rule Category

OS-WINDOWS -- Snort has detected traffic targeting vulnerabilities in a Windows-based operating system. This does not include browser traffic or other software on the OS, but attacks against the OS itself. (such as?)

Alert Message

OS-WINDOWS Microsoft Windows NtUserfnINSTRINGNULL memory leak kernel ASLR bypass attempt

Rule Explanation

The kernel-mode drivers in Microsoft Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 do not properly initialize function buffers, which allows local users to obtain sensitive information from kernel memory, and possibly bypass the ASLR protection mechanism, via a crafted application, aka "Microsoft Windows Kernel Memory Disclosure Vulnerability." Impact: CVSS base score 2.1 CVSS impact score 2.9 CVSS exploitability score 3.9 confidentialityImpact PARTIAL integrityImpact NONE availabilityImpact NONE Details: Ease of Attack:

What To Look For

No information provided

Known Usage

No public information

False Positives

No known false positives

Contributors

Talos research team. This document was generated from data supplied by the national vulnerability database, a product of the national institute of standards and technology. For more information see [nvd].