What is CVE-2019-5074?

CVE-2019-5074 is an exploitable stack buffer overflow vulnerability in the iocheckd service I/O-Check function of WAGO PFC200 Firmware versions 03.01.07(13), 03.00.39(12), and WAGO PFC100 Firmware version 03.00.39(12).

What is the severity of CVE-2019-5074?

CVE-2019-5074 has a severity rating of 9.8 (critical).

Which software versions are affected by CVE-2019-5074?

CVE-2019-5074 affects WAGO PFC200 Firmware versions 03.01.07(13), 03.00.39(12), and WAGO PFC100 Firmware version 03.00.39(12).

How does CVE-2019-5074 impact the affected software?

CVE-2019-5074 allows attackers to cause a stack buffer overflow by sending specially crafted packets to the iocheckd service, potentially leading to arbitrary code execution.

Is there a fix available for CVE-2019-5074?

At the moment, there is no official fix available for CVE-2019-5074. It is recommended to contact the vendor for mitigation strategies and updates.

Vulnerability/
CVE-2019-5074

critical

CWE

787 119

18/12/2019

4/8/2024

CVE-2019-5074: Buffer Overflow

First published: Wed Dec 18 2019(Updated: )

An exploitable stack buffer overflow vulnerability exists in the iocheckd service ''I/O-Check'' functionality of WAGO PFC200 Firmware version 03.01.07(13), WAGO PFC200 Firmware version 03.00.39(12) and WAGO PFC100 Firmware version 03.00.39(12). A specially crafted set of packets can cause a stack buffer overflow, resulting in code execution. An attacker can send unauthenticated packets to trigger this vulnerability.

Credit: talos-cna@cisco.com

Affected Software	Affected Version	How to fix
WAGO PFC 200 Firmware	=03.01.07\(13\)
WAGO PFC 200
WAGO PFC 100 Firmware	=03.00.39\(12\)
WAGO PFC 100

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Reference Links

https://talosintelligence.com/vulnerability_reports/TALOS-2019-0863

Frequently Asked Questions

What is CVE-2019-5074?
CVE-2019-5074 is an exploitable stack buffer overflow vulnerability in the iocheckd service I/O-Check function of WAGO PFC200 Firmware versions 03.01.07(13), 03.00.39(12), and WAGO PFC100 Firmware version 03.00.39(12).
What is the severity of CVE-2019-5074?
CVE-2019-5074 has a severity rating of 9.8 (critical).
Which software versions are affected by CVE-2019-5074?
CVE-2019-5074 affects WAGO PFC200 Firmware versions 03.01.07(13), 03.00.39(12), and WAGO PFC100 Firmware version 03.00.39(12).
How does CVE-2019-5074 impact the affected software?
CVE-2019-5074 allows attackers to cause a stack buffer overflow by sending specially crafted packets to the iocheckd service, potentially leading to arbitrary code execution.
Is there a fix available for CVE-2019-5074?
At the moment, there is no official fix available for CVE-2019-5074. It is recommended to contact the vendor for mitigation strategies and updates.

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agent/author
agent/references
agent/weakness
agent/tags
agent/event
agent/type
agent/description
agent/last-modified-date
agent/softwarecombine
agent/first-publish-date
collector/mitre-cve
source/MITRE
vendor/wago
canonical/wago pfc 200 firmware
version/wago pfc 200 firmware/03.01.07\(13\)
canonical/wago pfc 200
canonical/wago pfc 100 firmware
version/wago pfc 100 firmware/03.00.39\(12\)
canonical/wago pfc 100

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