CVE-2019-5081 Information

Description

An exploitable heap buffer overflow vulnerability exists in the iocheckd service ‘‘I/O-Chec’’ functionality of WAGO PFC 200 Firmware version 03.01.07(13) and 03.00.39(12) and WAGO PFC100 Firmware version 03.00.39(12). A specially crafted set of packets can cause a heap buffer overflow potentially resulting in code execution. An attacker can send unauthenticated packets to trigger this vulnerability.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

https://talosintelligence.com/vulnerability_reports/TALOS-2019-0873 https://www.talosintelligence.com/vulnerability_reports/TALOS-2019-0874

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