Buffer overflow in Microsoft Windows
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 memor…
Vulnerability class: Buffer Overflow
EPSS: 0.006 (45.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.3 (Critical). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Microsoft Windows
- Wibu Wibukey — versions 6.40
- N/a — versions n/a
Weakness classification (CWE)
References
- talos-cna@cisco.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- talos-cna@cisco.com (x_refsource_CONFIRM, Third Party Advisory)
- talos-cna@cisco.com (x_refsource_CONFIRM, Third Party Advisory)
- talos-cna@cisco.com (x_refsource_CONFIRM)
- talos-cna@cisco.com (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2018-3990?
- CVE-2018-3990 is a critical-severity vulnerability in Microsoft Windows, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.3/10. Published 2019-02-05.
- How severe is CVE-2018-3990?
- Critical severity. CVSS v3 base score is 9.3 out of 10.