CVE-2018-3991

CVSS V2 High 7.5 CVSS V3 Critical 9.8
Description
An exploitable heap overflow vulnerability exists in the WkbProgramLow function of WibuKey Network server management, version 6.40.2402.500. A specially crafted TCP packet can cause a heap overflow, potentially leading to remote code execution. An attacker can send a malformed TCP packet to trigger this vulnerability.
Overview
  • CVE ID
  • CVE-2018-3991
  • Assigner
  • talos-cna@cisco.com
  • Vulnerability Status
  • Modified
  • Published Version
  • 2019-02-05T23:29:00
  • Last Modified Date
  • 2022-04-19T18:15:38
Weakness Enumerations
CWE URL
CWE-787 http://cwe.mitre.org/data/definitions/787.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:a:wibu:wibukey:6.40.2402.500:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:siemens:simatic_wincc_open_architecture:3.14:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:siemens:simatic_wincc_open_architecture:3.15:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:siemens:simatic_wincc_open_architecture:3.16:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:P/I:P/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 7.5
  • Severity
  • HIGH
  • Exploitability Score
  • 10
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 9.8
  • Base Severity
  • CRITICAL
  • Exploitability Score
  • 3.9
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://talosintelligence.com/vulnerability_reports/TALOS-2018-0659 Exploit Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-760124.pdf Mitigation Third Party Advisory
http://www.securityfocus.com/bid/107005 Third Party Advisory VDB Entry
https://cert-portal.siemens.com/productcert/pdf/ssa-844562.pdf Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-902727.pdf
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2018-3991
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-3991
History
Created Old Value New Value Data Type Notes
2022-04-20 17:01:20 Added to TrackCVE
2022-12-03 17:10:35 2019-02-05T23:29Z 2019-02-05T23:29:00 CVE Published Date updated
2022-12-03 17:10:35 2022-04-19T18:15:38 CVE Modified Date updated
2022-12-03 17:10:35 Modified Vulnerability Status updated