CVE-2019-1851
Vulnerability from cvelistv5
Published
2019-05-16 01:20
Modified
2024-11-21 19:24
Severity ?
EPSS score ?
Summary
Cisco Identity Services Engine Arbitrary Client Certificate Creation Vulnerability
References
▼ | URL | Tags | |
---|---|---|---|
ykramarz@cisco.com | http://www.securityfocus.com/bid/108356 | Third Party Advisory, VDB Entry | |
ykramarz@cisco.com | https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-ise-certcreation | Vendor Advisory |
Impacted products
▼ | Vendor | Product |
---|---|---|
Cisco | Cisco Identity Services Engine Software |
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This vulnerability is due to an incorrect implementation of role-based access control (RBAC). An attacker could exploit this vulnerability by crafting a specific HTTP request with administrative credentials. A successful exploit could allow the attacker to generate a certificate that is signed and trusted by the ISE CA with arbitrary attributes. The attacker could use this certificate to access other networks or assets that are protected by certificate authentication." } ], "exploits": [ { "lang": "en", "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory." } ], "metrics": [ { "cvssV3_0": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N", "version": "3.0" } } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-285", "description": "CWE-285", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2019-05-17T12:06:06", "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco" }, "references": [ { "name": "20190515 Cisco Identity Services Engine Arbitrary Client Certificate Creation Vulnerability", "tags": [ "vendor-advisory", "x_refsource_CISCO" ], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-ise-certcreation" }, { "name": "108356", "tags": [ "vdb-entry", "x_refsource_BID" ], "url": "http://www.securityfocus.com/bid/108356" } ], "source": { "advisory": "cisco-sa-20190515-ise-certcreation", "defect": [ [ "CSCvm81230" ] ], "discovery": "INTERNAL" }, "title": "Cisco Identity Services Engine Arbitrary Client Certificate Creation Vulnerability", "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "psirt@cisco.com", "DATE_PUBLIC": "2019-05-15T16:00:00-0700", "ID": "CVE-2019-1851", "STATE": "PUBLIC", "TITLE": "Cisco Identity Services Engine Arbitrary Client Certificate Creation Vulnerability" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "Cisco Identity Services Engine Software", "version": { "version_data": [ { "affected": "\u003c", "version_affected": "\u003c", "version_value": "n/a" } ] } } ] }, "vendor_name": "Cisco" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "A vulnerability in the External RESTful Services (ERS) API of the Cisco Identity Services Engine (ISE) could allow an authenticated, remote attacker to generate arbitrary certificates signed by the Internal Certificate Authority (CA) Services on ISE. This vulnerability is due to an incorrect implementation of role-based access control (RBAC). An attacker could exploit this vulnerability by crafting a specific HTTP request with administrative credentials. A successful exploit could allow the attacker to generate a certificate that is signed and trusted by the ISE CA with arbitrary attributes. The attacker could use this certificate to access other networks or assets that are protected by certificate authentication." } ] }, "exploit": [ { "lang": "en", "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory." } ], "impact": { "cvss": { "baseScore": "6.8", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N", "version": "3.0" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-285" } ] } ] }, "references": { "reference_data": [ { "name": "20190515 Cisco Identity Services Engine Arbitrary Client Certificate Creation Vulnerability", "refsource": "CISCO", "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-ise-certcreation" }, { "name": "108356", "refsource": "BID", "url": "http://www.securityfocus.com/bid/108356" } ] }, "source": { "advisory": "cisco-sa-20190515-ise-certcreation", "defect": [ [ "CSCvm81230" ] ], "discovery": "INTERNAL" } } } }, "cveMetadata": { "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "assignerShortName": "cisco", "cveId": "CVE-2019-1851", "datePublished": "2019-05-16T01:20:35.523827Z", "dateReserved": "2018-12-06T00:00:00", "dateUpdated": "2024-11-21T19:24:02.653Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2019-1851\",\"sourceIdentifier\":\"ykramarz@cisco.com\",\"published\":\"2019-05-16T02:29:00.543\",\"lastModified\":\"2020-10-16T15:32:36.437\",\"vulnStatus\":\"Analyzed\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"A vulnerability in the External RESTful Services (ERS) API of the Cisco Identity Services Engine (ISE) could allow an authenticated, remote attacker to generate arbitrary certificates signed by the Internal Certificate Authority (CA) Services on ISE. 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Un atacante podr\u00eda explotar esta vulnerabilidad al crear una solicitud HTTP espec\u00edfica con credenciales administrativas. Un explotaci\u00f3n exitosa podr\u00eda permitir al atacante generar un certificado firmado y de confianza por parte de la ISE CA con atributos arbitrarios. El atacante podr\u00eda usar este certificado para acceder a otras redes o activos que est\u00e1n protegidos por autenticaci\u00f3n de certificado.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"HIGH\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\",\"baseScore\":6.8,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":2.3,\"impactScore\":4.0}],\"cvssMetricV30\":[{\"source\":\"ykramarz@cisco.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"HIGH\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\",\"baseScore\":6.8,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":2.3,\"impactScore\":4.0}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:S/C:N/I:P/A:N\",\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"SINGLE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"NONE\",\"baseScore\":4.0},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.0,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-Other\"}]},{\"source\":\"ykramarz@cisco.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-285\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:cisco:identity_services_engine:2.2\\\\(0.470\\\\):*:*:*:*:*:*:*\",\"matchCriteriaId\":\"DF54E8D0-76EE-40DE-A971-000C0B66A373\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:cisco:identity_services_engine:2.3\\\\(0.298\\\\):*:*:*:*:*:*:*\",\"matchCriteriaId\":\"422288B0-9F85-4420-8E5E-83378E099853\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:cisco:identity_services_engine:2.4\\\\(0.357\\\\):*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B60E8BB7-EAC5-4120-AFD0-5E72CCC97670\"}]}]}],\"references\":[{\"url\":\"http://www.securityfocus.com/bid/108356\",\"source\":\"ykramarz@cisco.com\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-ise-certcreation\",\"source\":\"ykramarz@cisco.com\",\"tags\":[\"Vendor Advisory\"]}]}}" } }
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Sightings
Author | Source | Type | Date |
---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.