Command Injection Vulnerability in WAGO PFC 200 Version 03.02.02(14)

CVE-2019-5168 · HIGH Severity

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

An exploitable command injection vulnerability exists in the iocheckd service ‘I/O-Check’ function of the WAGO PFC 200 version 03.02.02(14). An attacker can send a specially crafted XML cache file At 0x1e8a8 the extracted domainname value from the xml file is used as an argument to /etc/config-tools/edit_dns_server domain-name=<contents of domainname node> using sprintf().This command is later executed via a call to system().

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