CVE-2019-5073: Infoleak

Published Dec 18, 2019

Updated

An exploitable information exposure vulnerability exists in the iocheckd service "I/O-Check" functionality of WAGO PFC200 Firmware versions 03.01.07(13) and 03.00.39(12), and WAGO PFC100 Firmware version 03.00.39(12). A specially crafted set of packets can cause an external tool to fail, resulting in uninitialized stack data to be copied to the response packet buffer. An attacker can send unauthenticated packets to trigger this vulnerability.

Affected Software

5 affected components

WAGO PFC 200 Firmware=03.00.39\(12\)

WAGO PFC 200 Firmware=03.01.07\(13\)

WAGO PFC 200

WAGO PFC 100 Firmware=03.00.39\(12\)

WAGO PFC 100

Event History

Dec 18, 2019

CVE Published

via MITRE·08:51 PM

Data Sourced

via MITRE·08:51 PM

DescriptionWeakness

Frequently Asked Questions

What is the severity of CVE-2019-5073?

The severity of CVE-2019-5073 is medium (5.3).

Which software versions are affected by CVE-2019-5073?

The WAGO PFC200 Firmware versions 03.01.07(13) and 03.00.39(12), and the WAGO PFC100 Firmware version 03.00.39(12) are affected by CVE-2019-5073.

How can CVE-2019-5073 be exploited?

CVE-2019-5073 can be exploited by using a specially crafted set of packets that can cause an external tool to fail, resulting in information exposure.

Is WAGO PFC 200 firmware version 03.01.07(13) vulnerable to CVE-2019-5073?

Yes, WAGO PFC 200 firmware version 03.01.07(13) is vulnerable to CVE-2019-5073.

Is WAGO PFC 100 firmware version 03.00.39(12) vulnerable to CVE-2019-5073?

Yes, WAGO PFC 100 firmware version 03.00.39(12) is vulnerable to CVE-2019-5073.