Vulnerability-Lookup

FKIE_CVE-2019-9498

Vulnerability from fkie_nvd - Published: 2019-04-17 14:29 - Updated: 2026-06-17 02:43

Severity

8.1 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Summary

The implementations of EAP-PWD in hostapd EAP Server, when built against a crypto library missing explicit validation on imported elements, do not validate the scalar and element values in EAP-pwd-Commit. An attacker may be able to use invalid scalar/element values to complete authentication, gaining session key and network access without needing or learning the password. 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

URL	Tags
cret@cert.org	http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00021.html	Mailing List, Third Party Advisory
cret@cert.org	https://lists.debian.org/debian-lts-announce/2019/07/msg00030.html	Mailing List, Third Party Advisory
cret@cert.org	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/56OBBOJJSKRTDGEXZOVFSTP4HDSDBLAE/
cret@cert.org	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SVMJOFEYBGXZLFF5IOLW67SSOPKFEJP3/
cret@cert.org	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TDOZGR3T7FVO5JSZWK2QPR7AOFIEJTIZ/
cret@cert.org	https://seclists.org/bugtraq/2019/May/40	Mailing List, Third Party Advisory
cret@cert.org	https://security.FreeBSD.org/advisories/FreeBSD-SA-19:03.wpa.asc	Third Party Advisory
cret@cert.org	https://w1.fi/security/2019-4/	Patch, Vendor Advisory
cret@cert.org	https://www.synology.com/security/advisory/Synology_SA_19_16	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00021.html	Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://lists.debian.org/debian-lts-announce/2019/07/msg00030.html	Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/56OBBOJJSKRTDGEXZOVFSTP4HDSDBLAE/
af854a3a-2127-422b-91ae-364da2661108	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SVMJOFEYBGXZLFF5IOLW67SSOPKFEJP3/
af854a3a-2127-422b-91ae-364da2661108	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TDOZGR3T7FVO5JSZWK2QPR7AOFIEJTIZ/
af854a3a-2127-422b-91ae-364da2661108	https://seclists.org/bugtraq/2019/May/40	Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://security.FreeBSD.org/advisories/FreeBSD-SA-19:03.wpa.asc	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://w1.fi/security/2019-4/	Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	https://www.synology.com/security/advisory/Synology_SA_19_16	Third Party Advisory

Impacted products

Vendor	Product	Version
w1.fi	hostapd	*
w1.fi	hostapd	*
w1.fi	wpa_supplicant	*
w1.fi	wpa_supplicant	*
fedoraproject	fedora	28
fedoraproject	fedora	29
fedoraproject	fedora	30
opensuse	backports_sle	15.0
opensuse	backports_sle	15.0
opensuse	leap	15.1
debian	debian_linux	8.0
synology	radius_server	3.0
synology	router_manager	1.2
freebsd	freebsd	*
freebsd	freebsd	11.2
freebsd	freebsd	11.2
freebsd	freebsd	11.2
freebsd	freebsd	11.2
freebsd	freebsd	11.2
freebsd	freebsd	11.2
freebsd	freebsd	11.2
freebsd	freebsd	11.2
freebsd	freebsd	11.2
freebsd	freebsd	11.2
freebsd	freebsd	12.0
freebsd	freebsd	12.0
freebsd	freebsd	12.0
freebsd	freebsd	12.0

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "hostapd with EAP-pwd support",
          "vendor": "Wi-Fi Alliance",
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        },
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            }
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      ],
      "source": "cret@cert.org"
    }
  ],
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The implementations of EAP-PWD in hostapd EAP Server, when built against a crypto library missing explicit validation on imported elements, do not validate the scalar and element values in EAP-pwd-Commit. An attacker may be able to use invalid scalar/element values to complete authentication, gaining session key and network access without needing or learning the password. 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 del componente EAP-PWD en hostapd en EAP Server, cuando se construyen contra una biblioteca criptogr\u00e1fica sin comprobaci\u00f3n expl\u00edcita en elementos importados, no comprueban los valores escalares y de elementos en EAP-pwd-Commit. Un atacante puede usar valores escalares y de elementos no v\u00e1lidos para completar la autenticaci\u00f3n, conseguir clave de sesi\u00f3n y acceso a la red sin necesidad de conocer la contrase\u00f1a. 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 afectados."
    }
  ],
  "id": "CVE-2019-9498",
  "lastModified": "2026-06-17T02:43:49.473",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 6.8,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.1,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2019-04-17T14:29:04.010",
  "references": [
    {
      "source": "cret@cert.org",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00021.html"
    },
    {
      "source": "cret@cert.org",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "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",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "https://seclists.org/bugtraq/2019/May/40"
    },
    {
      "source": "cret@cert.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-19:03.wpa.asc"
    },
    {
      "source": "cret@cert.org",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://w1.fi/security/2019-4/"
    },
    {
      "source": "cret@cert.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://www.synology.com/security/advisory/Synology_SA_19_16"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00021.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "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",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "https://seclists.org/bugtraq/2019/May/40"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-19:03.wpa.asc"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://w1.fi/security/2019-4/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://www.synology.com/security/advisory/Synology_SA_19_16"
    }
  ],
  "sourceIdentifier": "cret@cert.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-346"
        }
      ],
      "source": "cret@cert.org",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-287"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2019-9498 (GCVE-0-2019-9498)

Vulnerability from cvelistv5 – Published: 2019-04-17 13:31 – Updated: 2024-08-04 21:54

Title

The implementations of EAP-PWD in hostapd EAP Server do not validate the scalar and element values in EAP-pwd-Commit

Summary

Severity

No CVSS data available.

CWE

CWE-346 - Origin Validation Error

Assigner

certcc mitre root

References

9 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
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
Wi-Fi Alliance	hostapd with EAP-pwd support	Affected: 2.7 , ≤ 2.7 (custom)
Wi-Fi Alliance	wpa_supplicant with EAP-pwd support	Affected: 2.7 , ≤ 2.7 (custom)
Wi-Fi Alliance	hostapd with SAE support	Affected: 2.4 , ≤ 2.4 (custom)
Wi-Fi Alliance	wpa_supplicant with SAE support	Affected: 2.4 , ≤ 2.4 (custom)

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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.

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.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.