FKIE_CVE-2019-11555
Vulnerability from fkie_nvd - Published: 2019-04-26 22:29 - Updated: 2024-11-21 04:21
Severity ?
Summary
The EAP-pwd implementation in hostapd (EAP server) before 2.8 and wpa_supplicant (EAP peer) before 2.8 does not validate fragmentation reassembly state properly for a case where an unexpected fragment could be received. This could result in process termination due to a NULL pointer dereference (denial of service). This affects eap_server/eap_server_pwd.c and eap_peer/eap_pwd.c.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| w1.fi | hostapd | * | |
| w1.fi | wpa_supplicant | * |
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:w1.fi:hostapd:*:*:*:*:*:*:*:*",
"matchCriteriaId": "2C8A8224-43A2-4695-9FFE-DD2FB409C89F",
"versionEndExcluding": "2.8",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:w1.fi:wpa_supplicant:*:*:*:*:*:*:*:*",
"matchCriteriaId": "771CFB6E-2EC2-4453-98EC-42BFC280F745",
"versionEndExcluding": "2.8",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "The EAP-pwd implementation in hostapd (EAP server) before 2.8 and wpa_supplicant (EAP peer) before 2.8 does not validate fragmentation reassembly state properly for a case where an unexpected fragment could be received. This could result in process termination due to a NULL pointer dereference (denial of service). This affects eap_server/eap_server_pwd.c and eap_peer/eap_pwd.c."
},
{
"lang": "es",
"value": "La implementaci\u00f3n de EAP-pwd en hostapd (servidor EAP),versiones anteriores a 2.8, y wpa_supplicant (peer EAP), versiones anteriores a 2.8, no valida correctamente el estado de reensamblado de la fragmentaci\u00f3n para un caso en el que se pudiera recibir un fragmento no esperado. Esto podr\u00eda derivar en la terminaci\u00f3n del proceso debido a una derivaci\u00f3n de un puntero NULL (denegaci\u00f3n de servicio). Esto afecta a eap_server/eap_server_pwd.c y eap_peer/eap_pwd.c."
}
],
"id": "CVE-2019-11555",
"lastModified": "2024-11-21T04:21:20.397",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.3,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
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"cvssMetricV30": [
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"cvssData": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 5.9,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.0"
},
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"impactScore": 3.6,
"source": "nvd@nist.gov",
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},
"published": "2019-04-26T22:29:00.357",
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{
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"url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-19:03.wpa.asc"
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"url": "https://security.gentoo.org/glsa/201908-25"
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"url": "https://usn.ubuntu.com/3969-1/"
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{
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"url": "https://w1.fi/security/2019-5/"
},
{
"source": "cve@mitre.org",
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],
"url": "https://w1.fi/security/2019-5/eap-pwd-message-reassembly-issue-with-unexpected-fragment.txt"
},
{
"source": "cve@mitre.org",
"url": "https://www.debian.org/security/2019/dsa-4450"
},
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},
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"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5T7G763UECWR7FQXOJVL67PW7C5A3SA4/"
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{
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"url": "https://security.gentoo.org/glsa/201908-25"
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"url": "https://usn.ubuntu.com/3969-1/"
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"url": "https://usn.ubuntu.com/3969-2/"
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{
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"tags": [
"Patch",
"Vendor Advisory"
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"url": "https://w1.fi/security/2019-5/"
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"url": "https://w1.fi/security/2019-5/eap-pwd-message-reassembly-issue-with-unexpected-fragment.txt"
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{
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"url": "https://www.debian.org/security/2019/dsa-4450"
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"Mailing List",
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],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-476"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
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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