Vulnerabilities > CVE-2019-5166 - Out-of-bounds Write vulnerability in Wago Pfc200 Firmware 03.02.02(14)
Attack vector
LOCAL Attack complexity
LOW Privileges required
LOW Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH Summary
An exploitable stack buffer overflow vulnerability exists in the iocheckd service ‘I/O-Check’ functionality of WAGO PFC 200 version 03.02.02(14). A specially crafted XML cache file written to a specific location on the device can cause a stack buffer overflow, resulting in code execution. An attacker can send a specially crafted packet to trigger the parsing of this cache file.
Vulnerable Configurations
| Part | Description | Count |
|---|---|---|
| OS | 1 | |
| Hardware | 1 |
Common Weakness Enumeration (CWE)
Talos
| id | TALOS-2019-0961 |
| last seen | 2020-03-18 |
| published | 2019-03-09 |
| reporter | Talos Intelligence |
| source | http://www.talosintelligence.com/vulnerability_reports/TALOS-2019-0961 |
| title | WAGO PFC200 iocheckd service "I/O-Check" cache DNS code execution vulnerability |