cve-2019-9497
Vulnerability from cvelistv5
Published
2019-04-17 13:31
Modified
2024-08-04 21:54
Severity ?
Summary
The implementations of EAP-PWD in hostapd EAP Server and wpa_supplicant EAP Peer do not validate the scalar and element values in EAP-pwd-Commit. This vulnerability may allow an attacker to complete EAP-PWD authentication without knowing the password. However, unless the crypto library does not implement additional checks for the EC point, the attacker will not be able to derive the session key or complete the key exchange. Both hostapd with SAE support and wpa_supplicant with SAE support prior to and including version 2.4 are affected. Both hostapd with EAP-pwd support and wpa_supplicant with EAP-pwd support prior to and including version 2.7 are affected.
References
cret@cert.orghttp://lists.opensuse.org/opensuse-security-announce/2020-02/msg00021.html
cret@cert.orghttp://packetstormsecurity.com/files/152914/FreeBSD-Security-Advisory-FreeBSD-SA-19-03.wpa.html
cret@cert.orghttps://lists.debian.org/debian-lts-announce/2019/07/msg00030.html
cret@cert.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/56OBBOJJSKRTDGEXZOVFSTP4HDSDBLAE/
cret@cert.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SVMJOFEYBGXZLFF5IOLW67SSOPKFEJP3/
cret@cert.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TDOZGR3T7FVO5JSZWK2QPR7AOFIEJTIZ/
cret@cert.orghttps://seclists.org/bugtraq/2019/May/40
cret@cert.orghttps://security.FreeBSD.org/advisories/FreeBSD-SA-19:03.wpa.asc
cret@cert.orghttps://w1.fi/security/2019-4/Patch, Vendor Advisory
cret@cert.orghttps://www.synology.com/security/advisory/Synology_SA_19_16
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00021.html
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/152914/FreeBSD-Security-Advisory-FreeBSD-SA-19-03.wpa.html
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2019/07/msg00030.html
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/56OBBOJJSKRTDGEXZOVFSTP4HDSDBLAE/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SVMJOFEYBGXZLFF5IOLW67SSOPKFEJP3/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TDOZGR3T7FVO5JSZWK2QPR7AOFIEJTIZ/
af854a3a-2127-422b-91ae-364da2661108https://seclists.org/bugtraq/2019/May/40
af854a3a-2127-422b-91ae-364da2661108https://security.FreeBSD.org/advisories/FreeBSD-SA-19:03.wpa.asc
af854a3a-2127-422b-91ae-364da2661108https://w1.fi/security/2019-4/Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.synology.com/security/advisory/Synology_SA_19_16
Impacted products
Vendor Product Version
Wi-Fi Alliance wpa_supplicant with EAP-pwd support Version: 2.7   <
Wi-Fi Alliance hostapd with SAE support Version: 2.4   <
Wi-Fi Alliance wpa_supplicant with SAE support Version: 2.4   <
Show details on NVD website

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      "metrics": "{\"cvssMetricV30\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.0\", \"vectorString\": \"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H\", \"baseScore\": 8.1, \"baseSeverity\": \"HIGH\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 2.2, \"impactScore\": 5.9}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:M/Au:N/C:P/I:P/A:P\", \"baseScore\": 6.8, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"MEDIUM\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"PARTIAL\", \"integrityImpact\": \"PARTIAL\", \"availabilityImpact\": \"PARTIAL\"}, \"baseSeverity\": \"MEDIUM\", \"exploitabilityScore\": 8.6, \"impactScore\": 6.4, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
      "published": "2019-04-17T14:29:03.963",
      "references": "[{\"url\": \"http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00021.html\", \"source\": \"cret@cert.org\"}, {\"url\": \"http://packetstormsecurity.com/files/152914/FreeBSD-Security-Advisory-FreeBSD-SA-19-03.wpa.html\", \"source\": \"cret@cert.org\"}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2019/07/msg00030.html\", \"source\": \"cret@cert.org\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/56OBBOJJSKRTDGEXZOVFSTP4HDSDBLAE/\", \"source\": \"cret@cert.org\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SVMJOFEYBGXZLFF5IOLW67SSOPKFEJP3/\", \"source\": \"cret@cert.org\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TDOZGR3T7FVO5JSZWK2QPR7AOFIEJTIZ/\", \"source\": \"cret@cert.org\"}, {\"url\": \"https://seclists.org/bugtraq/2019/May/40\", \"source\": \"cret@cert.org\"}, {\"url\": \"https://security.FreeBSD.org/advisories/FreeBSD-SA-19:03.wpa.asc\", \"source\": \"cret@cert.org\"}, {\"url\": \"https://w1.fi/security/2019-4/\", \"source\": \"cret@cert.org\", \"tags\": [\"Patch\", \"Vendor Advisory\"]}, {\"url\": \"https://www.synology.com/security/advisory/Synology_SA_19_16\", \"source\": \"cret@cert.org\"}, {\"url\": \"http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00021.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://packetstormsecurity.com/files/152914/FreeBSD-Security-Advisory-FreeBSD-SA-19-03.wpa.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2019/07/msg00030.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/56OBBOJJSKRTDGEXZOVFSTP4HDSDBLAE/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SVMJOFEYBGXZLFF5IOLW67SSOPKFEJP3/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TDOZGR3T7FVO5JSZWK2QPR7AOFIEJTIZ/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://seclists.org/bugtraq/2019/May/40\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://security.FreeBSD.org/advisories/FreeBSD-SA-19:03.wpa.asc\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://w1.fi/security/2019-4/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\", \"Vendor Advisory\"]}, {\"url\": \"https://www.synology.com/security/advisory/Synology_SA_19_16\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}]",
      "sourceIdentifier": "cret@cert.org",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"cret@cert.org\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-301\"}]}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-287\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2019-9497\",\"sourceIdentifier\":\"cret@cert.org\",\"published\":\"2019-04-17T14:29:03.963\",\"lastModified\":\"2024-11-21T04:51:44.057\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The implementations of EAP-PWD in hostapd EAP Server and wpa_supplicant EAP Peer do not validate the scalar and element values in EAP-pwd-Commit. This vulnerability may allow an attacker to complete EAP-PWD authentication without knowing the password. However, unless the crypto library does not implement additional checks for the EC point, the attacker will not be able to derive the session key or complete the key exchange. Both hostapd with SAE support and wpa_supplicant with SAE support prior to and including version 2.4 are affected. Both hostapd with EAP-pwd support and wpa_supplicant with EAP-pwd support prior to and including version 2.7 are affected.\"},{\"lang\":\"es\",\"value\":\"Las implementaciones de EAP-PWD en hostapd en EAP Server y wpa_supplicant en EAP Peer, no comprueban los valores escalares y de elementos en EAP-pwd-Commit. Esta vulnerabilidad puede permitir que un atacante complete la identificaci\u00f3n EAP-PWD sin conocer la contrase\u00f1a. Sin embargo, a menos que la biblioteca criptogr\u00e1fica no implemente comprobaciones adicionales para el punto EC, el atacante no podr\u00e1 derivar la clave de sesi\u00f3n o completar el intercambio de claves. Tanto hostapd con soporte SAE como wpa_supplicant con soporte SAE anterior e incluyendo la versi\u00f3n 2.4 son  impactados. Tanto hostapd con soporte EAP-pwd como wpa_supplicant con soporte EAP-pwd anterior y con la versi\u00f3n 2.7 est\u00e1n afectaos.\"}],\"metrics\":{\"cvssMetricV30\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":8.1,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.2,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:N/C:P/I:P/A:P\",\"baseScore\":6.8,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.6,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"cret@cert.org\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-301\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-287\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:w1.fi:hostapd:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"2.4\",\"matchCriteriaId\":\"552340BD-4450-4767-BDB3-44FF526BD4ED\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:w1.fi:hostapd:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"2.5\",\"versionEndIncluding\":\"2.7\",\"matchCriteriaId\":\"2A9FD3E6-61E9-4F50-8077-DDC07F2CC46D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:w1.fi:wpa_supplicant:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"2.4\",\"matchCriteriaId\":\"068DF041-070A-4483-98A7-3FA2E245344F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:w1.fi:wpa_supplicant:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"2.5\",\"versionEndIncluding\":\"2.7\",\"matchCriteriaId\":\"922FB3CB-715B-425D-A5DA-E6A50E6D174F\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fedoraproject:fedora:28:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"DC1BD7B7-6D88-42B8-878E-F1318CA5FCAF\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"D100F7CE-FC64-4CC6-852A-6136D72DA419\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"97A4B8DF-58DA-4AB6-A1F9-331B36409BA3\"}]}]}],\"references\":[{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00021.html\",\"source\":\"cret@cert.org\"},{\"url\":\"http://packetstormsecurity.com/files/152914/FreeBSD-Security-Advisory-FreeBSD-SA-19-03.wpa.html\",\"source\":\"cret@cert.org\"},{\"url\":\"https://lists.debian.org/debian-lts-announce/2019/07/msg00030.html\",\"source\":\"cret@cert.org\"},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/56OBBOJJSKRTDGEXZOVFSTP4HDSDBLAE/\",\"source\":\"cret@cert.org\"},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SVMJOFEYBGXZLFF5IOLW67SSOPKFEJP3/\",\"source\":\"cret@cert.org\"},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TDOZGR3T7FVO5JSZWK2QPR7AOFIEJTIZ/\",\"source\":\"cret@cert.org\"},{\"url\":\"https://seclists.org/bugtraq/2019/May/40\",\"source\":\"cret@cert.org\"},{\"url\":\"https://security.FreeBSD.org/advisories/FreeBSD-SA-19:03.wpa.asc\",\"source\":\"cret@cert.org\"},{\"url\":\"https://w1.fi/security/2019-4/\",\"source\":\"cret@cert.org\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"https://www.synology.com/security/advisory/Synology_SA_19_16\",\"source\":\"cret@cert.org\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00021.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://packetstormsecurity.com/files/152914/FreeBSD-Security-Advisory-FreeBSD-SA-19-03.wpa.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://lists.debian.org/debian-lts-announce/2019/07/msg00030.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/56OBBOJJSKRTDGEXZOVFSTP4HDSDBLAE/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SVMJOFEYBGXZLFF5IOLW67SSOPKFEJP3/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TDOZGR3T7FVO5JSZWK2QPR7AOFIEJTIZ/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://seclists.org/bugtraq/2019/May/40\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://security.FreeBSD.org/advisories/FreeBSD-SA-19:03.wpa.asc\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://w1.fi/security/2019-4/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"https://www.synology.com/security/advisory/Synology_SA_19_16\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}"
  }
}


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