CVEvulnerability

CVE-2018-3991

9.8 CRITICAL Published 2019-02-05 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2019-02-05
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
10.0 CRITICAL — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS 3.0 ([email protected])
9.8 CRITICAL — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
Weaknesses
CWE-787

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.

Affected configurations

• wibu wibukey 6.40.2402.500 • siemens simatic wincc open architecture 3.14 • siemens simatic wincc open architecture 3.15 • siemens simatic wincc open architecture 3.16

Related

Weakness · CWE (1)

  • CWE-787 Out-of-bounds Write weakness

References