CVE-2019-5184

High

Description

An exploitable double free vulnerability exists in the iocheckd service "I/O-Check" functionality of WAGO PFC 200. A specially crafted XML cache file written to a specific location on the device can cause a heap pointer to be freed twice, resulting in a denial of service and potentially code execution. An attacker can send a specially crafted packet to trigger the parsing of this cache file.

SeverityHigh
CVSS7.8
Exploit probability—
ProductWago Pfc200 Firmware
PublishedMar 23, 2020
First seenMar 23, 2020

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
wago pfc200_firmware03.02.02\(14\)—

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CVE-2019-5184 · Wago Pfc200 Firmware · Dark Radar