IM
IronMonkey Threat Research

CVE-2018-7830 HIGH

Published: 2018-11-30 | Last Modified: 2026-06-17 | Status: Modified

Description

Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Response Splitting') vulnerability exists in the embedded web servers in all Modicon M340, Premium, Quantum PLCs and BMXNOR0200 where a denial of service can occur for ~1 minute by sending a specially crafted HTTP request.

Additional Descriptions (1)

Existe una vulnerabilidad de neutralización incorrecta de secuencias CRLF en cabeceras HTTP ("separación de respuesta HTTP") en los servidores web embebidos en todos los productos Modicon M340, Premium, Quantum PLCs y BMXNOR0200, donde puede ocurrir una denegación de servicio (DoS) durante 1 minuto aproximadamente mediante el envío de una petición HTTP especialmente manipulada.

CVSS Metrics

Base Score: 5.0 (MEDIUM)

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access VectorNETWORK
Access ComplexityLOW
AuthenticationNONE
Confidentiality ImpactNONE
Integrity ImpactNONE
Availability ImpactPARTIAL

Source: [email protected]

Type: Primary

Exploitability Score: 10.0

Impact Score: 2.9

Weaknesses

Source Type Description
[email protected] Primary
en CWE-113

Affected Products

Vendor Product Version Update Type
schneider-electric modicom_m340_firmware * <built-in method update of dict object at 0x7e611206d0c0> Operating System
schneider-electric modicom_premium_firmware * <built-in method update of dict object at 0x7e60a87b7900> Operating System
schneider-electric modicom_quantum_firmware * <built-in method update of dict object at 0x7e60a87b44c0> Operating System
schneider-electric modicom_bmxnor0200h_firmware * <built-in method update of dict object at 0x7e60ba2a4740> Operating System

Affected Configurations

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:schneider-electric:modicom_m340_firmware:*:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
No cpe:2.3:h:schneider-electric:modicom_m340:-:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:schneider-electric:modicom_premium_firmware:*:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
No cpe:2.3:h:schneider-electric:modicom_premium:*:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:schneider-electric:modicom_quantum_firmware:*:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
No cpe:2.3:h:schneider-electric:modicom_quantum:*:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:schneider-electric:modicom_bmxnor0200h_firmware:*:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
No cpe:2.3:h:schneider-electric:modicom_bmxnor0200h:-:*:*:*:*:*:*:*

References

Notification
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