CVE-2017-2893 - OpenCVE

An exploitable NULL pointer dereference vulnerability exists in the MQTT packet parsing functionality of Cesanta Mongoose 6.8. An MQTT SUBSCRIBE packet can cause a NULL pointer dereference leading to server crash and denial of service. An attacker needs to send a specially crafted MQTT packet over the network to trigger this vulnerability.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

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

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Cesanta	Mongoose

Configuration 1 [-]

cpe:2.3:a:cesanta:mongoose:6.8:*:*:*:*:*:*:*

No data.

References

Link	Providers
https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0400

History

No history.

MITRE

Status: PUBLISHED

Assigner: talos

Published: 2017-11-07T16:00:00Z

Updated: 2024-09-17T00:51:27.255Z

Reserved: 2016-12-01T00:00:00

Link: CVE-2017-2893

Vulnrichment

No data.

NVD

Status : Analyzed

Published: 2017-11-07T16:29:00.777

Modified: 2022-06-07T17:24:24.483

Link: CVE-2017-2893

Redhat

No data.

{"containers": {"cna": {"affected": [{"product": "Mongoose", "vendor": "Cesanta", "versions": [{"status": "affected", "version": "6.8"}]}], "datePublic": "2017-10-31T00:00:00", "descriptions": [{"lang": "en", "value": "An exploitable NULL pointer dereference vulnerability exists in the MQTT packet parsing functionality of Cesanta Mongoose 6.8. An MQTT SUBSCRIBE packet can cause a NULL pointer dereference leading to server crash and denial of service. An attacker needs to send a specially crafted MQTT packet over the network to trigger this vulnerability."}], "metrics": [{"cvssV3_0": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.0"}}], "problemTypes": [{"descriptions": [{"description": "denial of service", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2022-04-19T18:24:21", "orgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b", "shortName": "talos"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0400"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "talos-cna@cisco.com", "DATE_PUBLIC": "2017-10-31T00:00:00", "ID": "CVE-2017-2893", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Mongoose", "version": {"version_data": [{"version_value": "6.8"}]}}]}, "vendor_name": "Cesanta"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "An exploitable NULL pointer dereference vulnerability exists in the MQTT packet parsing functionality of Cesanta Mongoose 6.8. An MQTT SUBSCRIBE packet can cause a NULL pointer dereference leading to server crash and denial of service. An attacker needs to send a specially crafted MQTT packet over the network to trigger this vulnerability."}]}, "impact": {"cvss": {"baseScore": 7.5, "baseSeverity": "High", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.0"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "denial of service"}]}]}, "references": {"reference_data": [{"name": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0400", "refsource": "MISC", "url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0400"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T14:09:17.693Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0400"}]}]}, "cveMetadata": {"assignerOrgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b", "assignerShortName": "talos", "cveId": "CVE-2017-2893", "datePublished": "2017-11-07T16:00:00Z", "dateReserved": "2016-12-01T00:00:00", "dateUpdated": "2024-09-17T00:51:27.255Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:cesanta:mongoose:6.8:*:*:*:*:*:*:*", "matchCriteriaId": "1164ED0F-EE6F-4D14-8227-9EDC2D3EB603", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An exploitable NULL pointer dereference vulnerability exists in the MQTT packet parsing functionality of Cesanta Mongoose 6.8. An MQTT SUBSCRIBE packet can cause a NULL pointer dereference leading to server crash and denial of service. An attacker needs to send a specially crafted MQTT packet over the network to trigger this vulnerability."}, {"lang": "es", "value": "Existe una vulnerabilidad explotable de desreferencia de puntero NULL en la funcionalidad de an\u00e1lisis sint\u00e1ctico de paquetes MQTT de Cesanta Mongoose 6.8. Un paquete MQTT SUBSCRIBE puede provocar una desreferencia de puntero NULL que conduce al cierre inesperado del servidor y a una denegaci\u00f3n de servicio. Un atacante necesita enviar un paquete MQTT especialmente manipulado a trav\u00e9s de la red para desencadenar esta vulnerabilidad."}], "id": "CVE-2017-2893", "lastModified": "2022-06-07T17:24:24.483", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "talos-cna@cisco.com", "type": "Secondary"}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2017-11-07T16:29:00.777", "references": [{"source": "talos-cna@cisco.com", "tags": ["Exploit", "Technical Description", "Third Party Advisory"], "url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0400"}], "sourceIdentifier": "talos-cna@cisco.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}