QID 591136

Date Published: 2022-10-21

QID 591136: WAGO PFC200 iocheckd service "I/O-Check" cache gateway Memory Corruption Vulnerability (TALOS-2019-0965)

Tested Versions
WAGO PFC200 Firmware version 03.02.02(14)

QID Detection Logic (Authenticated):
QID checks for the Vulnerable version of using passive scanning

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.

CVSS V3 rated as High - 7.8 severity.

CVSS V2 rated as Medium - 4.6 severity.

Solution

Customers are advised to refer to CERT MITIGATIONS section TALOS-2019-0965 for affected packages and patching details.

Vendor References

TALOS-2019-0965 - www.talosintelligence.com/vulnerability_reports/TALOS-2019-0965

CVEs related to QID 591136

CVE-2019-5184 |

Software Advisories

Advisory ID	Software	Component	Link

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