Buffer overflow in Wago PFC200 Controller - CVE-2019-5186
Published: March 20, 2020
Vulnerability identifier: #VU26253
CSH Severity: Medium
CVSS v4: 7.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-5186
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists within the "interface" parameter 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 cause a denial of service condition on the target system, leading to remote code execution.
Affected software
Wago PFC200 Controller
How to mitigate CVE-2019-5186
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.