{"schemaVersion":3,"id":"CVE-2018-3990","aliases":[],"status":"published","duplicateOf":null,"title":null,"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.","dates":{"published":"2019-02-05T22:00:00.000Z","modified":"2024-08-05T04:57:24.697Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":9.3,"severity":"critical","version":"3.0","versionLabel":"v3.0","source":"CVE.org","vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.0","versionLabel":"v3.0","source":"CVE.org","score":9.3,"severity":"critical","vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"3.0","versionLabel":"v3.0","source":"NVD","score":7.8,"severity":"high","vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":7.2,"severity":"high","vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00636,"percentile":0.49544,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.00636},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00646,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00636,"percentile":0.49544}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00646,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00636,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00636,"percentile":0.49544}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[{"id":"REF_50D8EE6BBAEFB030","name":"Exploit Reference (talosintelligence.com)","source":"reference","url":"https://talosintelligence.com/vulnerability_reports/TALOS-2018-0658","maturity":"unknown","reliabilityScore":0.2,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null}],"exploitCount":1,"weaknesses":[{"id":"CWE-119","name":"Improper Restriction of Operations within the Bounds of a Memory Buffer","description":"The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.","type":"weakness","status":"Stable","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/119.html"}],"affected":[{"vendor":"wibu","product":"wibukey","name":"wibukey","label":"wibukey","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"6.40","noFixRecorded":false,"fixedIn":null}],"versionsText":"6.40","eol":null,"hubHref":"/vendor/wibu/wibukey"}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"http://www.securityfocus.com/bid/107005","label":"www.securityfocus.com/bid/107005","hostname":"www.securityfocus.com","tags":["VDB Entry","X Refsource BID","Third Party Advisory"]},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-844562.pdf","label":"cert-portal.siemens.com/productcert/pdf/ssa-844562.pdf","hostname":"cert-portal.siemens.com","tags":["X Refsource CONFIRM","Third Party Advisory"]},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-760124.pdf","label":"cert-portal.siemens.com/productcert/pdf/ssa-760124.pdf","hostname":"cert-portal.siemens.com","tags":["X Refsource CONFIRM","Third Party Advisory"]},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-902727.pdf","label":"cert-portal.siemens.com/productcert/pdf/ssa-902727.pdf","hostname":"cert-portal.siemens.com","tags":["X Refsource CONFIRM"]},{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2018-0658","label":"talosintelligence.com/vulnerability_reports/TALOS-2018-0658","hostname":"talosintelligence.com","tags":["X Refsource MISC","Exploit","Third Party Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2019-02-05T22:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-05T04:57:24.697Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":70,"level":"high","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-21T04:41:07.422Z","stale":false,"partial":false}}