QID 590952

Date Published: 2022-07-29

QID 590952: WAGO PFC200 iocheckd service cache Domain Name System (DNS) Remote Code Execution (RCE) Vulnerability (TALOS-2019-0961)

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 stack buffer overflow 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 stack buffer overflow, resulting in 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-2019-0961 for affected packages and patching details.

Vendor References

TALOS-2019-0961 - talosintelligence.com/vulnerability_reports/TALOS-2019-0961

CVEs related to QID 590952

CVE-2019-5166 |

Software Advisories

Advisory ID	Software	Component	Link
TALOS-2019-0961			talosintelligence.com/vulnerability_reports/TALOS-2019-0961

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