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 multiple linked fonts memory corruption attempt

Rule Explanation

win32k.sys in the kernel-mode drivers in Microsoft Windows Server 2003 SP2 and R2 SP2 allows local users to gain privileges or cause a denial of service (memory corruption) via a crafted application, aka "Win32k Memory Corruption Elevation of Privilege Vulnerability." Impact: CVSS base score 7.2 CVSS impact score 10.0 CVSS exploitability score 3.9 confidentialityImpact COMPLETE integrityImpact COMPLETE availabilityImpact COMPLETE Details: Ease of Attack:

What To Look For

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].

MITRE ATT&CK Framework

Tactic:

Technique:

For reference, see the MITRE ATT&CK vulnerability types here: https://attack.mitre.org

CVE

Additional Links

Rule Vulnerability

CVE Additional Information

CVE-2015-1768
win32k.sys in the kernel-mode drivers in Microsoft Windows Server 2003 SP2 and R2 SP2 allows local users to gain privileges or cause a denial of service (memory corruption) via a crafted application, aka "Win32k Memory Corruption Elevation of Privilege Vulnerability."
Details
SeverityHIGH Base Score7.2
Impact Score10.0 Exploit Score3.9
Confidentiality ImpactCOMPLETE Integrity ImpactCOMPLETE
Availability ImpactCOMPLETE Access Vector
AuthenticationNONE Ease of Access