CVE-2018-3991 Information

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.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

http://www.securityfocus.com/bid/107005 https://cert-portal.siemens.com/productcert/pdf/ssa-760124.pdf https://cert-portal.siemens.com/productcert/pdf/ssa-844562.pdf https://cert-portal.siemens.com/productcert/pdf/ssa-902727.pdf https://talosintelligence.com/vulnerability_reports/TALOS-2018-0659

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8