CVE-2016-4476

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2016-05-02T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "hostapd 0.6.7 through 2.5 and wpa_supplicant 0.6.7 through 2.5 do not reject \\n and \\r characters in passphrase parameters, which allows remote attackers to cause a denial of service (daemon outage) via a crafted WPS operation."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2017-10-20T16:57:01.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"name": "[oss-security] 20160503 Re: hostapd/wpa_supplicant - psk configuration parameter update allowing arbitrary data to be written", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2016/05/03/12"}, {"name": "USN-3455-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU"], "url": "http://www.ubuntu.com/usn/USN-3455-1"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2016-4476", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "hostapd 0.6.7 through 2.5 and wpa_supplicant 0.6.7 through 2.5 do not reject \\n and \\r characters in passphrase parameters, which allows remote attackers to cause a denial of service (daemon outage) via a crafted WPS operation."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "[oss-security] 20160503 Re: hostapd/wpa_supplicant - psk configuration parameter update allowing arbitrary data to be written", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2016/05/03/12"}, {"name": "USN-3455-1", "refsource": "UBUNTU", "url": "http://www.ubuntu.com/usn/USN-3455-1"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-06T00:32:25.406Z"}, "title": "CVE Program Container", "references": [{"name": "[oss-security] 20160503 Re: hostapd/wpa_supplicant - psk configuration parameter update allowing arbitrary data to be written", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2016/05/03/12"}, {"name": "USN-3455-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU", "x_transferred"], "url": "http://www.ubuntu.com/usn/USN-3455-1"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2016-4476", "datePublished": "2016-05-09T10:00:00.000Z", "dateReserved": "2016-05-03T00:00:00.000Z", "dateUpdated": "2024-08-06T00:32:25.406Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:w1.fi:hostapd:*:*:*:*:*:*:*:*", "matchCriteriaId": "2A90C871-EFCB-4867-9338-0471B9A9B192", "versionEndIncluding": "2.5", "versionStartIncluding": "0.6.7", "vulnerable": true}, {"criteria": "cpe:2.3:a:w1.fi:wpa_supplicant:*:*:*:*:*:*:*:*", "matchCriteriaId": "84E8DC33-64D0-4507-8508-D0316070C1B2", "versionEndIncluding": "2.5", "versionStartIncluding": "0.6.7", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*", "matchCriteriaId": "815D70A8-47D3-459C-A32C-9FEACA0659D1", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*", "matchCriteriaId": "F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:17.04:*:*:*:*:*:*:*", "matchCriteriaId": "588D4F37-0A56-47A4-B710-4D5F3D214FB9", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "hostapd 0.6.7 through 2.5 and wpa_supplicant 0.6.7 through 2.5 do not reject \\n and \\r characters in passphrase parameters, which allows remote attackers to cause a denial of service (daemon outage) via a crafted WPS operation."}, {"lang": "es", "value": "hostapd 0.6.7 hasta la versi\u00f3n 2.5 y wpa_supplicant 0.6.7 hasta la versi\u00f3n 2.5 no rechaza caracteres \\n y \\r en par\u00e1metros passphrase, lo que permite a atacantes remotos provocar una denegaci\u00f3n de servicio (corte de demonio) a trav\u00e9s de una operaci\u00f3n WPS manipulada."}], "id": "CVE-2016-4476", "lastModified": "2026-06-17T00:47:37.830", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2016-05-09T10:59:41.813", "references": [{"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2016/05/03/12"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "http://www.ubuntu.com/usn/USN-3455-1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2016/05/03/12"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://www.ubuntu.com/usn/USN-3455-1"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "hostapd: denial of service via crafted WPA/WPA2 passphrase parameter", "id": "1332422", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1332422"}, "csaw": false, "cvss": {"cvss_base_score": "1.9", "cvss_scoring_vector": "AV:L/AC:M/Au:N/C:N/I:N/A:P", "status": "draft"}, "cvss3": {"cvss3_base_score": "5.9", "cvss3_scoring_vector": "CVSS:3.0/AV:A/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:H", "status": "draft"}, "cwe": "CWE-88", "details": ["hostapd 0.6.7 through 2.5 and wpa_supplicant 0.6.7 through 2.5 do not reject \\n and \\r characters in passphrase parameters, which allows remote attackers to cause a denial of service (daemon outage) via a crafted WPS operation."], "name": "CVE-2016-4476", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "wpa_supplicant", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Will not fix", "package_name": "wpa_supplicant", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Will not fix", "package_name": "wpa_supplicant", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2016-05-02T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2016-4476\nhttps://nvd.nist.gov/vuln/detail/CVE-2016-4476"], "threat_severity": "Low"}

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