Buffer overflow in Wago PFC200 Controller - CVE-2019-5166
Published: March 20, 2020
Vulnerability identifier: #VU26255
CSH Severity: High
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-5166
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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. A remote authenticated attacker can use a specially crafted XML cache file, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
Wago PFC200 Controller
How to mitigate CVE-2019-5166
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.