CVE-2018-3991

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 v3.0 NVD

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

CVSS v3.0 CISCO

10.0 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

CVSS v2.0 NVD

7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS

34.33% chance of exploitation in the next 30 days, 98th percentile

Published

2019-02-05

Updated

2024-08-05

Proof-of-concept exploits (1)

• https://talosintelligence.com/vulnerability_reports/TALOS-2018-0659

Security advisories

• 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

References

• CVE Record
• NVD entry