CVE-2018-3989 Information

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.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Reference

http://www.securityfocus.com/bid/107005 https://cert-portal.siemens.com/productcert/pdf/ssa-760124.pdf https://cert-portal.siemens.com/productcert/pdf/ssa-844562.pdf https://cert-portal.siemens.com/productcert/pdf/ssa-902727.pdf https://talosintelligence.com/vulnerability_reports/TALOS-2018-0657

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

5.5