PT-2019-1397 · Wibu Systems · Wibukey.Sys

Published 2019-01-28 · Updated 2022-04-19 · CVE-2018-3989

Positive Technologies (AI Summary)

CVSS v2.0

7.2

High

Base vector

AV:L/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions WibuKey.sys version 6.40 (Build 2400)

Description A kernel memory disclosure issue exists in the 0x8200E804 IOCTL handler functionality. This is due to insufficient input validation, allowing an attacker to send a specially crafted IRP request and cause the driver to return uninitialized memory. As a result, this can lead to kernel memory disclosure.

Recommendations For WibuKey.sys version 6.40 (Build 2400), consider disabling the 0x8200E804 IOCTL handler functionality until a patch is available to prevent exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Use of Uninitialized Resource

Buffer Overflow

Information Disclosure

Weakness Enumeration

CWE-908

CWE-119

CWE-200

Related Identifiers

BDU:2019-00769

BDU:2019-00770

BDU:2019-00771

CVE-2018-3989

Affected Products

Wibukey.Sys

References · 11

• 🔥 https://talosintelligence.com/vulnerability_reports/TALOS-2018-0657 · Exploit
• https://bdu.fstec.ru/vul/2019-00770 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2018-3989 · Security Note
• https://osv.dev/vulnerability/CVE-2018-3989 · Vendor Advisory
• https://bdu.fstec.ru/vul/2019-00771 · Security Note
• https://bdu.fstec.ru/vul/2019-00769 · Security Note
• http://securityfocus.com/bid/107005 · Note
• https://cert-portal.siemens.com/productcert/pdf/ssa-760124.pdf · Note
• https://cert-portal.siemens.com/productcert/pdf/ssa-844562.pdf · Note
• https://talosintelligence.com/vulnerability_reports/TALOS-2018-0658 · Note
• https://cert-portal.siemens.com/productcert/pdf/ssa-902727.pdf · Note