CVE-2020-5420 - Vulnerability Details - OpenCVE

ReportizFlow

Cloud Foundry Routing (Gorouter) versions prior to 0.206.0 allow a malicious developer with "cf push" access to cause denial-of-service to the CF cluster by pushing an app that returns specially crafted HTTP responses that crash the Gorouters.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Changed

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Changed

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact None

Integrity Impact None

Availability Impact Complete

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

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Cloudfoundry	Cf-deployment Gorouter

Configuration 1 [-]

OR	cpe:2.3:a:cloudfoundry:cf-deployment::::::::
	cpe:2.3:a:cloudfoundry:gorouter::::::::

No data.

References

Link	Providers
https://www.cloudfoundry.org/blog/cve-2020-5420

History

No history.

MITRE

Status: PUBLISHED

Assigner: pivotal

Published: 2020-09-03T01:10:16.091101Z

Updated: 2024-09-17T02:06:44.110Z

Reserved: 2020-01-03T00:00:00

Link: CVE-2020-5420

Vulnrichment

No data.

NVD

Status : Modified

Published: 2020-09-03T01:15:10.857

Modified: 2024-11-21T05:34:08.187

Link: CVE-2020-5420

Redhat

No data.

{"containers": {"cna": {"affected": [{"product": "Routing", "vendor": "Cloud Foundry", "versions": [{"lessThan": "0.206.0", "status": "affected", "version": "All", "versionType": "custom"}]}, {"product": "CF Deployment", "vendor": "Cloud Foundry", "versions": [{"lessThan": "13.15.0", "status": "affected", "version": "All", "versionType": "custom"}]}], "datePublic": "2020-09-01T00:00:00", "descriptions": [{"lang": "en", "value": "Cloud Foundry Routing (Gorouter) versions prior to 0.206.0 allow a malicious developer with \"cf push\" access to cause denial-of-service to the CF cluster by pushing an app that returns specially crafted HTTP responses that crash the Gorouters."}], "metrics": [{"cvssV3_0": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.7, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H", "version": "3.0"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-754", "description": "CWE-754: Improper Check for Unusual or Exceptional Conditions", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2020-09-03T01:10:16", "orgId": "862b2186-222f-48b9-af87-f1fb7bb26d03", "shortName": "pivotal"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://www.cloudfoundry.org/blog/cve-2020-5420"}], "source": {"discovery": "UNKNOWN"}, "title": "Gorouter is vulnerable to DoS attack via invalid HTTP responses", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "[email protected]", "DATE_PUBLIC": "2020-09-01T00:00:00.000Z", "ID": "CVE-2020-5420", "STATE": "PUBLIC", "TITLE": "Gorouter is vulnerable to DoS attack via invalid HTTP responses"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Routing", "version": {"version_data": [{"version_affected": "<", "version_name": "All", "version_value": "0.206.0"}]}}, {"product_name": "CF Deployment", "version": {"version_data": [{"version_affected": "<", "version_name": "All", "version_value": "13.15.0"}]}}]}, "vendor_name": "Cloud Foundry"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Cloud Foundry Routing (Gorouter) versions prior to 0.206.0 allow a malicious developer with \"cf push\" access to cause denial-of-service to the CF cluster by pushing an app that returns specially crafted HTTP responses that crash the Gorouters."}]}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.7, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H", "version": "3.0"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-754: Improper Check for Unusual or Exceptional Conditions"}]}]}, "references": {"reference_data": [{"name": "https://www.cloudfoundry.org/blog/cve-2020-5420", "refsource": "CONFIRM", "url": "https://www.cloudfoundry.org/blog/cve-2020-5420"}]}, "source": {"discovery": "UNKNOWN"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T08:30:24.367Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://www.cloudfoundry.org/blog/cve-2020-5420"}]}]}, "cveMetadata": {"assignerOrgId": "862b2186-222f-48b9-af87-f1fb7bb26d03", "assignerShortName": "pivotal", "cveId": "CVE-2020-5420", "datePublished": "2020-09-03T01:10:16.091101Z", "dateReserved": "2020-01-03T00:00:00", "dateUpdated": "2024-09-17T02:06:44.110Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:cloudfoundry:cf-deployment:*:*:*:*:*:*:*:*", "matchCriteriaId": "9D87C642-F4E1-46DE-86D3-0D2A0E64A3A6", "versionEndExcluding": "13.15.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:cloudfoundry:gorouter:*:*:*:*:*:*:*:*", "matchCriteriaId": "CAAAF78A-33A1-4744-AF0F-43B7AE2FFAC3", "versionEndExcluding": "0.206.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "Cloud Foundry Routing (Gorouter) versions prior to 0.206.0 allow a malicious developer with \"cf push\" access to cause denial-of-service to the CF cluster by pushing an app that returns specially crafted HTTP responses that crash the Gorouters."}, {"lang": "es", "value": "Cloud Foundry Routing (Gorouter) versiones anteriores a 0.206.0, permiten a un desarrollador malicioso con acceso \"cf push\" causar una denegaci\u00f3n de servicio al cl\u00faster CF al presionar una aplicaci\u00f3n que devuelve respuestas HTTP especialmente dise\u00f1adas que bloquean los Gorouters"}], "id": "CVE-2020-5420", "lastModified": "2024-11-21T05:34:08.187", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "COMPLETE", "baseScore": 6.8, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "[email protected]", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.7, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H", "version": "3.0"}, "exploitabilityScore": 3.1, "impactScore": 4.0, "source": "[email protected]", "type": "Secondary"}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.7, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 4.0, "source": "[email protected]", "type": "Primary"}]}, "published": "2020-09-03T01:15:10.857", "references": [{"source": "[email protected]", "tags": ["Vendor Advisory"], "url": "https://www.cloudfoundry.org/blog/cve-2020-5420"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.cloudfoundry.org/blog/cve-2020-5420"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-754"}], "source": "[email protected]", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-754"}], "source": "[email protected]", "type": "Primary"}]}