CVE-2019-5079

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

An exploitable heap buffer overflow 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 a heap buffer overflow, potentially resulting in code execution. An attacker can send unauthenticated packets to trigger this vulnerability.

Se presenta una vulnerabilidad de desbordamiento del búfer de la pila explotable en la funcionalidad "I/O-Check" del servicio iocheckd de WAGO PFC 200 versiones de firmware 03.01.07(13) y 03.00.39(12), y WAGO PFC100 versión de firmware 03.00.39(12). Un conjunto de paquetes especialmente diseñado puede causar un desbordamiento del búfer de la pila, resultando potencialmente en una ejecución de código. Un atacante puede enviar paquetes no autenticados para activar esta vulnerabilidad.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-01-04 CVE Reserved
2019-12-18 CVE Published
2024-03-28 EPSS Updated
2024-08-04 CVE Updated
2024-08-04 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-787: Out-of-bounds Write

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC
https://talosintelligence.com/vulnerability_reports/TALOS-2019-0871	2024-08-04

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Wago Search vendor "Wago"	Pfc 200 Firmware Search vendor "Wago" for product "Pfc 200 Firmware"	03.00.39\(12\) Search vendor "Wago" for product "Pfc 200 Firmware" and version "03.00.39\(12\)"	-	Affected	in	Wago Search vendor "Wago"	Pfc 200 Search vendor "Wago" for product "Pfc 200"	-	-	Safe
Wago Search vendor "Wago"	Pfc 200 Firmware Search vendor "Wago" for product "Pfc 200 Firmware"	03.01.07\(13\) Search vendor "Wago" for product "Pfc 200 Firmware" and version "03.01.07\(13\)"	-	Affected	in	Wago Search vendor "Wago"	Pfc 200 Search vendor "Wago" for product "Pfc 200"	-	-	Safe
Wago Search vendor "Wago"	Pfc 100 Firmware Search vendor "Wago" for product "Pfc 100 Firmware"	03.00.39\(12\) Search vendor "Wago" for product "Pfc 100 Firmware" and version "03.00.39\(12\)"	-	Affected	in	Wago Search vendor "Wago"	Pfc 100 Search vendor "Wago" for product "Pfc 100"	-	-	Safe