CVE-2019-9497 (GCVE-0-2019-9497)
Vulnerability from cvelistv5 – Published: 2019-04-17 13:31 – Updated: 2024-08-04 21:54
VLAI
EPSS
VEX
Title
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
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.
Severity
8.1 (High)
CWE
Assigner
References
10 references
| URL | Tags |
|---|---|
| https://w1.fi/security/2019-4/ | x_refsource_CONFIRM |
| https://www.synology.com/security/advisory/Synolo… | x_refsource_CONFIRM |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://security.FreeBSD.org/advisories/FreeBSD-S… | vendor-advisoryx_refsource_FREEBSD |
| https://seclists.org/bugtraq/2019/May/40 | mailing-listx_refsource_BUGTRAQ |
| http://packetstormsecurity.com/files/152914/FreeB… | x_refsource_MISC |
| https://lists.debian.org/debian-lts-announce/2019… | mailing-listx_refsource_MLIST |
| http://lists.opensuse.org/opensuse-security-annou… | vendor-advisoryx_refsource_SUSE |
Impacted products
4 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Wi-Fi Alliance | hostapd with EAP-pwd support |
Affected:
2.7 , ≤ 2.7
(custom)
|
guessed | |
| Wi-Fi Alliance | wpa_supplicant with EAP-pwd support |
Affected:
2.7 , ≤ 2.7
(custom)
|
guessed | |
| Wi-Fi Alliance | hostapd with SAE support |
Affected:
2.4 , ≤ 2.4
(custom)
|
guessed | |
| Wi-Fi Alliance | wpa_supplicant with SAE support |
Affected:
2.4 , ≤ 2.4
(custom)
|
guessed |
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"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\"}]}}",
"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2025-11-21T16:48:19+00:00",
"cve": "CVE-2019-9497",
"id": "CVE-2019-9497",
"initial_release_date": "2019-04-10T00:00:00+00:00",
"product_status:known_not_affected": "11",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "wpa_supplicant: EAP-pwd server not checking for reflection attack",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2019/cve-2019-9497.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "low",
"current_release_date": "2026-08-31T02:42:04Z",
"cve": "CVE-2019-9497",
"id": "CVE-2019-9497",
"initial_release_date": "2023-02-15T04:14:39Z",
"product_status:known_affected": "9",
"product_status:known_not_affected": "12",
"product_status:recommended": "97",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2019-9497",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2019-9497.json",
"version": "25"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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