CVE-2018-3990

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 v3.0 NVD

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

CVSS v3.0 CISCO

9.3 CRITICALCVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

CVSS v2.0 NVD

7.2 HIGHAV:L/AC:L/Au:N/C:C/I:C/A:C

EPSS

0.64% chance of exploitation in the next 30 days, 49th percentile

Published

2019-02-05

Updated

2024-08-05

Proof-of-concept exploits (1)

• https://talosintelligence.com/vulnerability_reports/TALOS-2018-0658

Security advisories

• 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

References

• CVE Record
• NVD entry