Vulnerability Intelligence Report
CVE-2018-3990
An exploitable pool corruption vulnerability exists in the 0x8200E804 IOCTL handler functionality of WIBU-SYSTEMS WibuKey.sys Version 6.40 (Build 2400). A specially crafted IRP request can cause a buffer overflow, resulting in kernel memory corruption and, potentially, privilege escalation. An attacker can send an IRP request to trigger this vulnerability.
No Active Exploit Signals
CVSS Base Score
9.3
CRITICAL
Exploitability:2.6
Impact Score:6.1
EPSS Probability:0.64%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
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Weaponization
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SSVC Action
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Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| wibu | wibukey | 6.40 |
| microsoft | windows | all |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.636%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Talos · Researcher · USA |
| Reserved | 2018-01-02T00:00:00 |
| Published | 2019-02-05T22:00:00 |
| Patch Date | 2018-01-28 |
| Last Updated | 2024-08-05T04:57:24 |
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