CVE-2018-3989

Name: CVE-2018-3989
Creator: NVD / NIST
Published: 2019-02-05T23:29:00.31+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.57%

Last modified Jun 17, 2026

CVE-2018-3989 is a vulnerability of currently unknown severity. An exploitable kernel memory disclosure 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 the driver to return uninitialized memory, resulting in kernel memory disclosure. An attacker can send an IRP request to trigger this vulnerability.. EPSS estimates a 0.57% chance of exploitation in the next 30 days.

Description

An exploitable kernel memory disclosure 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 the driver to return uninitialized memory, resulting in kernel memory disclosure. An attacker can send an IRP request to trigger this vulnerability.

Metrics

EPSS Probability

0.57%

42.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-908

Affected Software

Vendor	Product	Versions
Wibu	Wibukey	6.40

References

http://www.securityfocus.com/bid/107005Third Party Advisory, VDB Entry
https://cert-portal.siemens.com/productcert/pdf/ssa-760124.pdfThird Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-844562.pdfThird Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-902727.pdf
https://talosintelligence.com/vulnerability_reports/TALOS-2018-0657Exploit, Third Party Advisory
http://www.securityfocus.com/bid/107005Third Party Advisory, VDB Entry
https://cert-portal.siemens.com/productcert/pdf/ssa-760124.pdfThird Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-844562.pdfThird Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-902727.pdf
https://talosintelligence.com/vulnerability_reports/TALOS-2018-0657Exploit, Third Party Advisory

Timeline

Published: Feb 5, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-3989?

How severe is CVE-2018-3989?

Severity scoring for CVE-2018-3989 is pending analysis. The EPSS model estimates a 0.57% probability of exploitation in the next 30 days.

How do I fix CVE-2018-3989?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-3989?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST