CVE-2018-7845

A CWE-125: Out-of-bounds Read vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause the disclosure of unexpected data from the controller when reading specific memory blocks in the controller over Modbus.

CVSS v3.0 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://www.schneider-electric.com/en/download/document/SEVD-2019-134-11/	Vendor Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0745	Exploit Third Party Advisory

Advertisement

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:-:*:*:*:*:*:*:*

Information

Published : 2019-05-22 13:29

Updated : 2022-02-03 06:06

NVD link : CVE-2018-7845

Mitre link : CVE-2018-7845

JSON object : View

CWE

CWE-125

Out-of-bounds Read

Advertisement

Products Affected

schneider-electric

modicon_premium
modicon_quantum_firmware
modicon_m580_firmware
modicon_m340_firmware
modicon_m340
modicon_quantum
modicon_premium_firmware
modicon_m580

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://www.schneider-electric.com/en/download/document/SEVD-2019-134-11/", "name": "https://www.schneider-electric.com/en/download/document/SEVD-2019-134-11/", "tags": ["Vendor Advisory"], "refsource": "MISC"}, {"url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0745", "name": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0745", "tags": ["Exploit", "Third Party Advisory"], "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "A CWE-125: Out-of-bounds Read vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause the disclosure of unexpected data from the controller when reading specific memory blocks in the controller over Modbus."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-125"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2018-7845", "ASSIGNER": "cybersecurity@schneider-electric.com"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "severity": "MEDIUM", "acInsufInfo": false, "impactScore": 2.9, "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 3.9}}, "publishedDate": "2019-05-22T20:29Z", "configurations": {"nodes": [{"children": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:schneider-electric:modicon_m580_firmware:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:h:schneider-electric:modicon_m580:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}]}], "operator": "AND", "cpe_match": []}, {"children": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:schneider-electric:modicon_m340_firmware:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:h:schneider-electric:modicon_m340:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}]}], "operator": "AND", "cpe_match": []}, {"children": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:schneider-electric:modicon_quantum_firmware:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:h:schneider-electric:modicon_quantum:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}]}], "operator": "AND", "cpe_match": []}, {"children": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:schneider-electric:modicon_premium_firmware:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:h:schneider-electric:modicon_premium:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}]}], "operator": "AND", "cpe_match": []}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2022-02-03T14:06Z"}