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 Imaging API use after free attempt

Rule Explanation

This event is generated when an attacker attempts to exploit a use after free vulnerability in Microsoft Windows' Imaging API. Impact: Attempted User Privilege Gain Details: This rule checks for attempts to exploit a use after free vulnerability in Microsoft Windows' Imaging API. Ease of Attack:

What To Look For

Known Usage

No public information

False Positives

No known false positives

Contributors

Cisco Talos Intelligence Group

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-2019-1311
A remote code execution vulnerability exists when the Windows Imaging API improperly handles objects in memory, aka 'Windows Imaging API Remote Code Execution Vulnerability'.
Details
SeverityHIGH Base Score9.3
Impact Score10.0 Exploit Score8.6
Confidentiality ImpactCOMPLETE Integrity ImpactCOMPLETE
Availability ImpactCOMPLETE Access VectorNETWORK
AuthenticationNONE Ease of AccessMEDIUM