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 DirectComposition elevation of privilege attempt

Rule Explanation

This rule looks for machine code that indicates the exploitation an elevation of privilege vulnerability in the DirectComposition Windows graphics component.

What To Look For

This rule files on download of a Windows executable file attempted to exploit an elevation of privilege vulnerability in the DirectComposition Windows graphics component.

Known Usage

No public information

False Positives

No known false positives

Contributors

Cisco Talos Intelligence Group

MITRE ATT&CK Framework

Tactic: Privilege Escalation

Technique: Exploitation for Privilege Escalation

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

CVE

Additional Links

CVE Additional Information

CVE-2020-0898
An elevation of privilege vulnerability exists when the Windows Graphics Component improperly handles objects in memory, aka 'Windows Graphics Component Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2020-0791.
Details
SeverityHIGH Base Score7.2
Impact Score10.0 Exploit Score3.9
Confidentiality ImpactCOMPLETE Integrity ImpactCOMPLETE
Availability ImpactCOMPLETE Access VectorLOCAL
AuthenticationNONE Ease of AccessLOW