CVE-2018-3990 Information

Description

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.

CVSS Vector

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

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-2018-0658

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8