CVE-2018-3991
10.0 · CRITICALOverview
CVE-2018-3991 is a critical-severity vulnerability affecting wibu wibukey. It was published on February 5, 2019 and has a CVSS 3.0 base score of 10.0 (CRITICAL).
This vulnerability has a CVSS 3.0 base score of 10.0, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from wibu. Update wibukey to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
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References
Frequently Asked Questions
What is CVE-2018-3991?
CVE-2018-3991 is a critical-severity vulnerability affecting wibu wibukey. It was published on February 5, 2019 and has a CVSS 3.0 base score of 10.0 (CRITICAL).
How severe is CVE-2018-3991?
This vulnerability has a CVSS 3.0 base score of 10.0, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2018-3991?
Check the references section for vendor advisories and patches from wibu. Update wibukey to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2018-3991?
CyberStrike's AI-powered security agents can automatically detect CVE-2018-3991 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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