CVE-2019-12423 (GCVE-0-2019-12423)

Vulnerability from cvelistv5 – Published: 2020-01-16 17:42 – Updated: 2024-08-04 23:17
VLAI?
Summary
Apache CXF ships with a OpenId Connect JWK Keys service, which allows a client to obtain the public keys in JWK format, which can then be used to verify the signature of tokens issued by the service. Typically, the service obtains the public key from a local keystore (JKS/PKCS12) by specifing the path of the keystore and the alias of the keystore entry. This case is not vulnerable. However it is also possible to obtain the keys from a JWK keystore file, by setting the configuration parameter "rs.security.keystore.type" to "jwk". For this case all keys are returned in this file "as is", including all private key and secret key credentials. This is an obvious security risk if the user has configured the signature keystore file with private or secret key credentials. From CXF 3.3.5 and 3.2.12, it is mandatory to specify an alias corresponding to the id of the key in the JWK file, and only this key is returned. In addition, any private key information is omitted by default. "oct" keys, which contain secret keys, are not returned at all.
Severity ?
No CVSS data available.
CWE
  • Information Disclosure
Assigner
References
Impacted products
Vendor Product Version
Apache CXF Affected: All versions of Apache CXF prior to 3.3.5 and 3.2.12.
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      "id": "CVE-2019-12423",
      "lastModified": "2024-11-21T04:22:48.770",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N\", \"baseScore\": 7.5, \"baseSeverity\": \"HIGH\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"NONE\"}, \"exploitabilityScore\": 3.9, \"impactScore\": 3.6}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:M/Au:N/C:P/I:N/A:N\", \"baseScore\": 4.3, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"MEDIUM\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"PARTIAL\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"NONE\"}, \"baseSeverity\": \"MEDIUM\", \"exploitabilityScore\": 8.6, \"impactScore\": 2.9, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
      "published": "2020-01-16T18:15:11.400",
      "references": "[{\"url\": \"http://cxf.apache.org/security-advisories.data/CVE-2019-12423.txt.asc?version=1\u0026modificationDate=1579178393000\u0026api=v2\", \"source\": \"security@apache.org\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://lists.apache.org/thread.html/r36e44ffc1a9b365327df62cdfaabe85b9a5637de102cea07d79b2dbf%40%3Ccommits.cxf.apache.org%3E\", \"source\": \"security@apache.org\"}, {\"url\": \"https://lists.apache.org/thread.html/rd49aabd984ed540c8ff7916d4d79405f3fa311d2fdbcf9ed307839a6%40%3Ccommits.cxf.apache.org%3E\", \"source\": \"security@apache.org\"}, {\"url\": \"https://lists.apache.org/thread.html/rd588ff96f18563aeb5f87ac8c6bce7aae86cb1a4d4be483f96e7208c%40%3Cannounce.apache.org%3E\", \"source\": \"security@apache.org\"}, {\"url\": \"https://lists.apache.org/thread.html/rec7160382badd3ef4ad017a22f64a266c7188b9ba71394f0d321e2d4%40%3Ccommits.cxf.apache.org%3E\", \"source\": \"security@apache.org\"}, {\"url\": \"https://lists.apache.org/thread.html/rfb87e0bf3995e7d560afeed750fac9329ff5f1ad49da365129b7f89e%40%3Ccommits.cxf.apache.org%3E\", \"source\": \"security@apache.org\"}, {\"url\": \"https://lists.apache.org/thread.html/rff42cfa5e7d75b7c1af0e37589140a8f1999e578a75738740b244bd4%40%3Ccommits.cxf.apache.org%3E\", \"source\": \"security@apache.org\"}, {\"url\": \"https://www.oracle.com/security-alerts/cpuApr2021.html\", \"source\": \"security@apache.org\", \"tags\": [\"Patch\", \"Third Party Advisory\"]}, {\"url\": \"https://www.oracle.com/security-alerts/cpujul2020.html\", \"source\": \"security@apache.org\", \"tags\": [\"Patch\", \"Third Party Advisory\"]}, {\"url\": \"https://www.oracle.com/security-alerts/cpuoct2020.html\", \"source\": \"security@apache.org\", \"tags\": [\"Patch\", \"Third Party Advisory\"]}, {\"url\": \"http://cxf.apache.org/security-advisories.data/CVE-2019-12423.txt.asc?version=1\u0026modificationDate=1579178393000\u0026api=v2\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://lists.apache.org/thread.html/r36e44ffc1a9b365327df62cdfaabe85b9a5637de102cea07d79b2dbf%40%3Ccommits.cxf.apache.org%3E\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://lists.apache.org/thread.html/rd49aabd984ed540c8ff7916d4d79405f3fa311d2fdbcf9ed307839a6%40%3Ccommits.cxf.apache.org%3E\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://lists.apache.org/thread.html/rd588ff96f18563aeb5f87ac8c6bce7aae86cb1a4d4be483f96e7208c%40%3Cannounce.apache.org%3E\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://lists.apache.org/thread.html/rec7160382badd3ef4ad017a22f64a266c7188b9ba71394f0d321e2d4%40%3Ccommits.cxf.apache.org%3E\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://lists.apache.org/thread.html/rfb87e0bf3995e7d560afeed750fac9329ff5f1ad49da365129b7f89e%40%3Ccommits.cxf.apache.org%3E\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://lists.apache.org/thread.html/rff42cfa5e7d75b7c1af0e37589140a8f1999e578a75738740b244bd4%40%3Ccommits.cxf.apache.org%3E\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://www.oracle.com/security-alerts/cpuApr2021.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\", \"Third Party Advisory\"]}, {\"url\": \"https://www.oracle.com/security-alerts/cpujul2020.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\", \"Third Party Advisory\"]}, {\"url\": \"https://www.oracle.com/security-alerts/cpuoct2020.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\", \"Third Party Advisory\"]}]",
      "sourceIdentifier": "security@apache.org",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-522\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2019-12423\",\"sourceIdentifier\":\"security@apache.org\",\"published\":\"2020-01-16T18:15:11.400\",\"lastModified\":\"2024-11-21T04:22:48.770\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Apache CXF ships with a OpenId Connect JWK Keys service, which allows a client to obtain the public keys in JWK format, which can then be used to verify the signature of tokens issued by the service. Typically, the service obtains the public key from a local keystore (JKS/PKCS12) by specifing the path of the keystore and the alias of the keystore entry. This case is not vulnerable. However it is also possible to obtain the keys from a JWK keystore file, by setting the configuration parameter \\\"rs.security.keystore.type\\\" to \\\"jwk\\\". For this case all keys are returned in this file \\\"as is\\\", including all private key and secret key credentials. This is an obvious security risk if the user has configured the signature keystore file with private or secret key credentials. From CXF 3.3.5 and 3.2.12, it is mandatory to specify an alias corresponding to the id of the key in the JWK file, and only this key is returned. In addition, any private key information is omitted by default. \\\"oct\\\" keys, which contain secret keys, are not returned at all.\"},{\"lang\":\"es\",\"value\":\"Apache CXF entregado con un servicio OpenId Connect JWK Keys, que permite al cliente obtener las claves p\u00fablicas en formato JWK, que luego pueden ser usadas para comprobar la firma de los tokens emitidos por parte del servicio. Normalmente, el servicio obtiene la clave p\u00fablica de un almac\u00e9n de claves local (JKS/PKCS12) mediante la especificaci\u00f3n de la ruta del almac\u00e9n de claves y el alias de la entrada del almac\u00e9n de claves. Este caso no es vulnerable. Sin embargo, tambi\u00e9n es posible obtener las claves de un archivo del almac\u00e9n de claves JWK, estableciendo el par\u00e1metro de configuraci\u00f3n \\\"rs.security.keystore.type\\\" en \\\"jwk\\\". Para este caso, todas las claves son devueltas a este archivo \\\"as is\\\", incluyendo todas las credenciales de clave privada y clave secreta. Este es un riesgo de seguridad obvio si el usuario ha configurado el archivo de almac\u00e9n de claves de firma con credenciales de clave privada o secreta. Desde CXF versiones 3.3.5 y 3.2.12, es obligatorio especificar un alias correspondiente al id de la clave en el archivo JWK, y solo esta clave es devuelta. Adem\u00e1s, cualquier informaci\u00f3n de clave privada es omitida por defecto. Las claves \\\"oct\\\", que contienen claves secretas, no son devueltas en absoluto.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:N/C:P/I:N/A:N\",\"baseScore\":4.3,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.6,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-522\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:cxf:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"3.2.12\",\"matchCriteriaId\":\"6D541256-E46B-4433-8712-05A583DD7E79\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:cxf:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"3.3.0\",\"versionEndExcluding\":\"3.3.5\",\"matchCriteriaId\":\"291B8116-D0B0-4A72-BD51-B941D2129943\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:oracle:commerce_guided_search:11.3.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"2A3622F5-5976-4BBC-A147-FC8A6431EA79\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:oracle:communications_diameter_signaling_router:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"8.0.0\",\"versionEndIncluding\":\"8.2.2\",\"matchCriteriaId\":\"526E2FE5-263F-416F-8628-6CD40B865780\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:oracle:communications_element_manager:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"8.2.0\",\"versionEndIncluding\":\"8.2.2\",\"matchCriteriaId\":\"B51F78F4-8D7E-48C2-86D1-D53A6EB348A7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:oracle:communications_session_report_manager:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"8.2.0\",\"versionEndIncluding\":\"8.2.2\",\"matchCriteriaId\":\"3E5416A1-EE58-415D-9645-B6A875EBAED2\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:oracle:communications_session_route_manager:8.1.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"5682DAEB-3810-4541-833A-568C868BCE0B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:oracle:communications_session_route_manager:8.2.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"01BC9AED-F81D-4344-AD97-EEF19B6EA8C7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:oracle:communications_session_route_manager:8.2.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"8198E762-9AD9-452B-B1AF-516E52436B7D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:oracle:flexcube_private_banking:12.0.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"6762F207-93C7-4363-B2F9-7A7C6F8AF993\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:oracle:flexcube_private_banking:12.1.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"1B74B912-152D-4F38-9FC1-741D6D0B27FC\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:oracle:retail_order_broker:15.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"EE8CF045-09BB-4069-BCEC-496D5AE3B780\"}]}]}],\"references\":[{\"url\":\"http://cxf.apache.org/security-advisories.data/CVE-2019-12423.txt.asc?version=1\u0026modificationDate=1579178393000\u0026api=v2\",\"source\":\"security@apache.org\",\"tags\":[\"Vendor 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Advisory\"]},{\"url\":\"https://lists.apache.org/thread.html/r36e44ffc1a9b365327df62cdfaabe85b9a5637de102cea07d79b2dbf%40%3Ccommits.cxf.apache.org%3E\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://lists.apache.org/thread.html/rd49aabd984ed540c8ff7916d4d79405f3fa311d2fdbcf9ed307839a6%40%3Ccommits.cxf.apache.org%3E\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://lists.apache.org/thread.html/rd588ff96f18563aeb5f87ac8c6bce7aae86cb1a4d4be483f96e7208c%40%3Cannounce.apache.org%3E\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://lists.apache.org/thread.html/rec7160382badd3ef4ad017a22f64a266c7188b9ba71394f0d321e2d4%40%3Ccommits.cxf.apache.org%3E\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://lists.apache.org/thread.html/rfb87e0bf3995e7d560afeed750fac9329ff5f1ad49da365129b7f89e%40%3Ccommits.cxf.apache.org%3E\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://lists.apache.org/thread.html/rff42cfa5e7d75b7c1af0e37589140a8f1999e578a75738740b244bd4%40%3Ccommits.cxf.apache.org%3E\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://www.oracle.com/security-alerts/cpuApr2021.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Third 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  }
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.