CVE-2019-5081

An exploitable heap buffer overflow vulnerability exists in the iocheckd service ''I/O-Chec'' functionality of WAGO PFC 200 Firmware version 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.

CVSS v3 9.8 CRITICAL
CVSS v2.0 10.0 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

10.0^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://talosintelligence.com/vulnerability_reports/TALOS-2019-0873	Exploit Third Party Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2019-0874	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

AND

OR	cpe:2.3:o:wago:pfc_200_firmware:03.00.39\(12\):::::::*
	cpe:2.3:o:wago:pfc_200_firmware:03.01.07\(13\):::::::*

cpe:2.3:h:wago:pfc_200:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:wago:pfc_100_firmware:03.00.39\(12\):*:*:*:*:*:*:*

cpe:2.3:h:wago:pfc_100:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2019-12-18 20:15

Updated : 2024-02-28 17:28

NVD link : CVE-2019-5081

Mitre link : CVE-2019-5081

CVE.ORG link : CVE-2019-5081

JSON object : View

Products Affected

wago

pfc_200_firmware
pfc_100
pfc_100_firmware
pfc_200

CWE

CWE-787

Out-of-bounds Write

{"id": "CVE-2019-5081", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 10.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2019-12-18T20:15:16.917", "references": [{"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2019-0873", "tags": ["Exploit", "Third Party Advisory"], "source": "talos-cna@cisco.com"}, {"url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2019-0874", "tags": ["Exploit", "Third Party Advisory"], "source": "talos-cna@cisco.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "An exploitable heap buffer overflow vulnerability exists in the iocheckd service ''I/O-Chec'' functionality of WAGO PFC 200 Firmware version 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."}, {"lang": "es", "value": "Se presenta una vulnerabilidad de desbordamiento del b\u00fafer de la pila explotable en la funcionalidad ''I/O-Chec'' del servicio iocheckd de WAGO PFC 200 versi\u00f3n de firmware 03.01.07(13) y 03.00.39(12), y WAGO PFC100 versi\u00f3n de firmware 03.00.39 (12). Un conjunto de paquetes especialmente dise\u00f1ado puede causar un desbordamiento del b\u00fafer de la pila, resultando potencialmente en una ejecuci\u00f3n de c\u00f3digo. Un atacante puede enviar paquetes no autenticados para activar esta vulnerabilidad."}], "lastModified": "2021-07-21T11:39:23.747", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:wago:pfc_200_firmware:03.00.39\\(12\\):*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E2381ABB-66E4-492C-8CB2-9FDFE3601A11"}, {"criteria": "cpe:2.3:o:wago:pfc_200_firmware:03.01.07\\(13\\):*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "01297381-B7D4-46FB-BFDD-2B5145C5E379"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:wago:pfc_200:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "1A20109A-6CF0-465F-8F97-136DDFB95B2B"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:wago:pfc_100_firmware:03.00.39\\(12\\):*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C1A0CD98-CC70-4FA2-BFB7-6BC765B05C9B"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:wago:pfc_100:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "CF8E59CE-6A72-49EA-AA44-8714C2411003"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "talos-cna@cisco.com"}