#VU23631 Buffer overflow in Wago PFC200 Controller and WAGO PFC100 Controller - CVE-2019-5074

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Main Vulnerability Database Vulnerabilities #VU23631

#VU23631 Buffer overflow in Wago PFC200 Controller and WAGO PFC100 Controller - CVE-2019-5074

Published: December 17, 2019


Vulnerability identifier: #VU23631
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2019-5074
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Wago PFC200 Controller
WAGO PFC100 Controller
Software vendor:
WAGO

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in the iocheckd service "I/O-Check" functionality when generating a response to the "BC_ProductLabel" message. A remote attacker can send a specially crafted set of packets, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

External links