{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2018-06-11T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "Improper input validation together with an integer overflow in the EAP-TLS protocol implementation in PPPD may cause a crash, information disclosure, or authentication bypass. This implementation is distributed as a patch for PPPD 0.91, and includes the affected eap.c and eap-tls.c files. Configurations that use the `refuse-app` option are unaffected."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2018-11-07T10:57:01.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"name": "USN-3810-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU"], "url": "https://usn.ubuntu.com/3810-1/"}, {"name": "[oss-security] 20180611 Buffer Overflow in pppd EAP-TLS implementation", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2018/06/11/1"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2018-11574", "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": "Improper input validation together with an integer overflow in the EAP-TLS protocol implementation in PPPD may cause a crash, information disclosure, or authentication bypass. This implementation is distributed as a patch for PPPD 0.91, and includes the affected eap.c and eap-tls.c files. Configurations that use the `refuse-app` option are unaffected."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "USN-3810-1", "refsource": "UBUNTU", "url": "https://usn.ubuntu.com/3810-1/"}, {"name": "[oss-security] 20180611 Buffer Overflow in pppd EAP-TLS implementation", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2018/06/11/1"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T08:10:14.590Z"}, "title": "CVE Program Container", "references": [{"name": "USN-3810-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU", "x_transferred"], "url": "https://usn.ubuntu.com/3810-1/"}, {"name": "[oss-security] 20180611 Buffer Overflow in pppd EAP-TLS implementation", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2018/06/11/1"}]}, {"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-190", "lang": "en", "description": "CWE-190 Integer Overflow or Wraparound"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2025-12-03T21:09:44.080614Z", "id": "CVE-2018-11574", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-12-03T21:09:49.904Z"}}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2018-11574", "datePublished": "2018-06-14T20:00:00.000Z", "dateReserved": "2018-05-30T00:00:00.000Z", "dateUpdated": "2025-12-03T21:09:49.904Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.2"}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://usn.ubuntu.com/3810-1/", "name": "USN-3810-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU", "x_transferred"]}, {"url": "http://www.openwall.com/lists/oss-security/2018/06/11/1", "name": "[oss-security] 20180611 Buffer Overflow in pppd EAP-TLS implementation", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T08:10:14.590Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2018-11574", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-12-03T21:09:44.080614Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-190", "description": "CWE-190 Integer Overflow or Wraparound"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-12-03T21:09:37.377Z"}}], "cna": {"affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2018-06-11T00:00:00.000Z", "references": [{"url": "https://usn.ubuntu.com/3810-1/", "name": "USN-3810-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU"]}, {"url": "http://www.openwall.com/lists/oss-security/2018/06/11/1", "name": "[oss-security] 20180611 Buffer Overflow in pppd EAP-TLS implementation", "tags": ["mailing-list", "x_refsource_MLIST"]}], "descriptions": [{"lang": "en", "value": "Improper input validation together with an integer overflow in the EAP-TLS protocol implementation in PPPD may cause a crash, information disclosure, or authentication bypass. This implementation is distributed as a patch for PPPD 0.91, and includes the affected eap.c and eap-tls.c files. Configurations that use the `refuse-app` option are unaffected."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "text", "description": "n/a"}]}], "providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2018-11-07T10:57:01.000Z"}, "x_legacyV4Record": {"affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"version": {"version_data": [{"version_value": "n/a"}]}, "product_name": "n/a"}]}, "vendor_name": "n/a"}]}}, "data_type": "CVE", "references": {"reference_data": [{"url": "https://usn.ubuntu.com/3810-1/", "name": "USN-3810-1", "refsource": "UBUNTU"}, {"url": "http://www.openwall.com/lists/oss-security/2018/06/11/1", "name": "[oss-security] 20180611 Buffer Overflow in pppd EAP-TLS implementation", "refsource": "MLIST"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "eng", "value": "Improper input validation together with an integer overflow in the EAP-TLS protocol implementation in PPPD may cause a crash, information disclosure, or authentication bypass. This implementation is distributed as a patch for PPPD 0.91, and includes the affected eap.c and eap-tls.c files. Configurations that use the `refuse-app` option are unaffected."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2018-11574", "STATE": "PUBLIC", "ASSIGNER": "cve@mitre.org"}}}}, "cveMetadata": {"cveId": "CVE-2018-11574", "state": "PUBLISHED", "dateUpdated": "2025-12-03T21:09:49.904Z", "dateReserved": "2018-05-30T00:00:00.000Z", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "datePublished": "2018-06-14T20:00:00.000Z", "assignerShortName": "mitre"}, "dataVersion": "5.2"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:point-to-point_protocol_project:point-to-point_protocol:*:*:*:*:*:*:*:*", "matchCriteriaId": "4AE8280C-9E3A-44B0-BB50-34D43C036B40", "versionEndExcluding": "2.4.9", "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:*:*:*:esm:*:*:*", "matchCriteriaId": "7A5301BF-1402-4BE0-A0F8-69FBE79BC6D6", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:esm:*:*:*", "matchCriteriaId": "B3293E55-5506-4587-A318-D1734F781C09", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper input validation together with an integer overflow in the EAP-TLS protocol implementation in PPPD may cause a crash, information disclosure, or authentication bypass. This implementation is distributed as a patch for PPPD 0.91, and includes the affected eap.c and eap-tls.c files. Configurations that use the `refuse-app` option are unaffected."}, {"lang": "es", "value": "Una validaci\u00f3n de entradas incorrecta junto con un desbordamiento de enteros en la implementaci\u00f3n del protocolo EAP-TLS en PPPD podr\u00eda provocar un cierre inesperado, divulgaci\u00f3n de informaci\u00f3n o una omisi\u00f3n de informaci\u00f3n. Esta implementaci\u00f3n se distribuye como parche para PPPD 0.91 e incluye los archivos eap.c y eap-tls.c afectados. Las configuraciones que emplean la opci\u00f3n 'refuse-app' no se han visto afectadas."}], "id": "CVE-2018-11574", "lastModified": "2025-12-03T21:15:47.653", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2018-06-14T20:29:00.253", "references": [{"source": "cve@mitre.org", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2018/06/11/1"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://usn.ubuntu.com/3810-1/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2018/06/11/1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://usn.ubuntu.com/3810-1/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}, {"lang": "en", "value": "CWE-190"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-190"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "ppp: Remote client crash in ppp EAP-TLS patch", "id": "1586071", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1586071"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-190->CWE-122", "details": ["Improper input validation together with an integer overflow in the EAP-TLS protocol implementation in PPPD may cause a crash, information disclosure, or authentication bypass. This implementation is distributed as a patch for PPPD 0.91, and includes the affected eap.c and eap-tls.c files. Configurations that use the `refuse-app` option are unaffected."], "mitigation": {"lang": "en:us", "value": "PPP instances must be configured for EAP-TLS authentication to expose this vulnerability. For ppp servers, the file `/etc/ppp/eaptls-server' must exist. For clients, either `/etc/ppp/eaptls-client` must exist or command-line options `ca`, `cert` and `key` must be provided."}, "name": "CVE-2018-11574", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "ppp", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "ppp", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Will not fix", "package_name": "ppp", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "ppp", "product_name": "Red Hat Enterprise Linux 8"}], "public_date": "2018-06-12T04:16:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2018-11574\nhttps://nvd.nist.gov/vuln/detail/CVE-2018-11574"], "threat_severity": "Moderate"}