CVE-2018-7843

A CWE-248: Uncaught Exception vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause denial of service when reading memory blocks with an invalid data size or with an invalid data offset in the controller over Modbus.

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://www.schneider-electric.com/en/download/document/SEVD-2019-134-11/	Vendor Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0738	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:schneider-electric:modicon_m580_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:schneider-electric:modicon_m580:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:schneider-electric:modicon_m340_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:schneider-electric:modicon_m340:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND

cpe:2.3:o:schneider-electric:modicon_quantum_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:schneider-electric:modicon_quantum:-:*:*:*:*:*:*:*

Configuration 4 (hide)

AND

cpe:2.3:o:schneider-electric:modicon_premium_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:schneider-electric:modicon_premium:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2019-05-22 20:29

Updated : 2022-02-03 14:06

NVD link : CVE-2018-7843

Mitre link : CVE-2018-7843

CVE.ORG link : CVE-2018-7843

JSON object : View

Products Affected

schneider-electric

modicon_m580_firmware
modicon_quantum
modicon_premium_firmware
modicon_m340_firmware
modicon_premium
modicon_quantum_firmware
modicon_m580
modicon_m340

CWE

CWE-125

Out-of-bounds Read

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