CVE-2018-3989
low-risk
Published 2019-02-05
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.
Do I need to act?
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0.14% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.3/10
Medium
LOCAL
/ LOW complexity
Affected Products (1)
Wibukey
Affected Vendors
References (10)
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
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
21
/ 100
low-risk
Severity
15/34 · Moderate
Exploitability
1/34 · Minimal
Exposure
5/34 · Minimal