Home/CVE/An exploitable kernel memory disclosure vulnerability exists in the 0x8200E804 IOCTL handler functionality of WIBU-SYSTE
CVE

CVE-2018-3989

An exploitable kernel memory disclosure vulnerability exists in the 0x8200E804 IOCTL handler functionality of WIBU-SYSTE

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.

MEDIUM · CVSS 4.3 EPSS 0.00138
Schedule remediation
  • Public exploit or PoC is available
Sigma rules7 YARA rules0
⬡

Weakness Classification

CWE-908Use of Uninitialized Resource
▤

Affected Products & Versions

1
wibu wibukeyall versions
⚠

Public Exploits & PoCs

1
poctalosintelligence.com · TALOS-2018-0657talosintelligence.com
◈

Sigma Hunt Rules

7
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productcriticalHackTool - Windows Credential Editor (WCE) Execution
productcriticalWindows Credential Editor Registry
producthighOpenCanary - MSSQL Login Attempt Via Windows Authentication
producthighWindows LAPS Credential Dump From Entra ID
producthighTamper Windows Defender - PSClassic
producthighTamper Windows Defender Remove-MpPreference - ScriptBlockLogging
▣

Scoring & Timeline

4.3
MEDIUM · CVSS v3.0 · talos-cna@cisco.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD05 Feb 2019 · 11:29 PM
CVSS VectorCVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N
⚑

Vendor Advisories

1
cisa-csafcisa-csaf-csaf_files-OT-white-2019-icsa-19-043-03
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.securityfocus.com/bid/107005Third Party AdvisoryVDB 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
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