Vulnerabilities > CVE-2019-5079 - Out-of-bounds Write vulnerability in Wago PFC 100 Firmware and PFC 200 Firmware

047910
CVSS 7.5 - HIGH
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
PARTIAL
Integrity impact
PARTIAL
Availability impact
PARTIAL
network
low complexity
wago
CWE-787

Summary

An exploitable heap buffer overflow vulnerability exists in the iocheckd service "I/O-Check" functionality of WAGO PFC200 Firmware versions 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.

Common Weakness Enumeration (CWE)

Talos

idTALOS-2019-0871
last seen2019-12-28
published2019-12-16
reporterTalos Intelligence
sourcehttp://www.talosintelligence.com/vulnerability_reports/TALOS-2019-0871
titleWAGO PFC200 iocheckd service "I/O-Check" ReadPSN remote code execution vulnerability