CVE-2018-3989

An exploitable kernel memory disclosure vulnerability exists in the 0x8200E804 IOCTL handler functionality of WIBU-SYSTEMS WibuKey.sys Version 6.40 (Build…

Medium · published February 5, 2019

CVSS v3.0
4.3
EPSS
1%
Percentile
46.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.0
4.3 · MEDIUM
Vector
CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00570 · 46.1th percentile
Published
2019-02-05T22:00Z
EPSS history
Timeline
  • 05 FEB 22:00Z
    An exploitable kernel memory disclosure vulnerability exists in the 0x8200E804 IOCTL handler functionality of WIBU-SYSTEMS WibuKey.sys Version 6.40 (Build…
    cvelistv5