High severity · published Feb 5, 2019
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)
7.8
CVSS
0.6%
EPSS
No
On KEV
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
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 50% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WI
Wibukey · Wibu
6.40 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-3990
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-3990
Third Party Advisory
http://www.securityfocus.com/bid/107005
Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-760124.pdf
Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-844562.pdf
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/pdf/ssa-902727.pdf
Exploit
https://talosintelligence.com/vulnerability_reports/TALOS-2018-0658
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