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 GetThreadContext kernel memory leak attempt

Rule Explanation

This event is generated when an attacker attempts to leak Kernel stack memory. Impact: Information leak Details: Rule checks for an attempt to leak kernel stack memory. Ease of Attack: Medium

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-2018-0832
The Windows kernel in Windows 8.1 and RT 8.1, Windows Server 2012 R2, Windows 10 Gold, 1511, 1607, 1703 and 1709, Windows Server 2016 and Windows Server, version 1709 allows an information disclosure vulnerability due to how objects in memory are handled, aka "Windows Information Disclosure Vulnerability". This CVE is unique from CVE-2018-0829 and CVE-2018-0830.
Details
Severity Base Score4.7
Impact Score3.6 Exploit Score1.0
Confidentiality ImpactHIGH Integrity ImpactNONE
Availability ImpactNONE Access Vector
Authentication Ease of Access