{"containers": {"cna": {"affected": [{"product": "Cisco Adaptive Security Appliance (ASA) Software", "vendor": "Cisco", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2018-10-03T00:00:00", "descriptions": [{"lang": "en", "value": "A vulnerability in the implementation of Traffic Flow Confidentiality (TFC) over IPsec functionality in Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause an affected device to restart unexpectedly, resulting in a denial of service (DoS) condition. The vulnerability is due to an error that may occur if the affected software renegotiates the encryption key for an IPsec tunnel when certain TFC traffic is in flight. An attacker could exploit this vulnerability by sending a malicious stream of TFC traffic through an established IPsec tunnel on an affected device. A successful exploit could allow the attacker to cause a daemon process on the affected device to crash, which could cause the device to crash and result in a DoS condition."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-320", "description": "CWE-320", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2018-10-07T09:57:02", "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco"}, "references": [{"name": "20181003 Cisco Adaptive Security Appliance IPsec VPN Denial of Service Vulnerability", "tags": ["vendor-advisory", "x_refsource_CISCO"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181003-asa-ipsec-dos"}, {"name": "1041786", "tags": ["vdb-entry", "x_refsource_SECTRACK"], "url": "http://www.securitytracker.com/id/1041786"}], "source": {"advisory": "cisco-sa-20181003-asa-ipsec-dos", "defect": [["CSCuy57310"]], "discovery": "UNKNOWN"}, "title": "Cisco Adaptive Security Appliance IPsec VPN Denial of Service Vulnerability", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "psirt@cisco.com", "DATE_PUBLIC": "2018-10-03T16:00:00-0500", "ID": "CVE-2018-15397", "STATE": "PUBLIC", "TITLE": "Cisco Adaptive Security Appliance IPsec VPN Denial of Service Vulnerability"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Cisco Adaptive Security Appliance (ASA) Software", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "Cisco"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "A vulnerability in the implementation of Traffic Flow Confidentiality (TFC) over IPsec functionality in Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause an affected device to restart unexpectedly, resulting in a denial of service (DoS) condition. The vulnerability is due to an error that may occur if the affected software renegotiates the encryption key for an IPsec tunnel when certain TFC traffic is in flight. An attacker could exploit this vulnerability by sending a malicious stream of TFC traffic through an established IPsec tunnel on an affected device. A successful exploit could allow the attacker to cause a daemon process on the affected device to crash, which could cause the device to crash and result in a DoS condition."}]}, "impact": {"cvss": {"baseScore": "6.8", "version": "3.0"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-320"}]}]}, "references": {"reference_data": [{"name": "20181003 Cisco Adaptive Security Appliance IPsec VPN Denial of Service Vulnerability", "refsource": "CISCO", "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181003-asa-ipsec-dos"}, {"name": "1041786", "refsource": "SECTRACK", "url": "http://www.securitytracker.com/id/1041786"}]}, "source": {"advisory": "cisco-sa-20181003-asa-ipsec-dos", "defect": [["CSCuy57310"]], "discovery": "UNKNOWN"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T09:54:03.022Z"}, "title": "CVE Program Container", "references": [{"name": "20181003 Cisco Adaptive Security Appliance IPsec VPN Denial of Service Vulnerability", "tags": ["vendor-advisory", "x_refsource_CISCO", "x_transferred"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181003-asa-ipsec-dos"}, {"name": "1041786", "tags": ["vdb-entry", "x_refsource_SECTRACK", "x_transferred"], "url": "http://www.securitytracker.com/id/1041786"}]}]}, "cveMetadata": {"assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "assignerShortName": "cisco", "cveId": "CVE-2018-15397", "datePublished": "2018-10-05T14:00:00Z", "dateReserved": "2018-08-17T00:00:00", "dateUpdated": "2024-09-17T02:16:04.264Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:cisco:firepower_management_center:6.2.2:*:*:*:*:*:*:*", "matchCriteriaId": "99479490-9BB9-40BD-B4FB-A23D81E48631", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:adaptive_security_appliance_software:9.6.4:*:*:*:*:*:*:*", "matchCriteriaId": "FAC7A642-121A-4A8C-B055-0296EA5D6E10", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:adaptive_security_appliance_software:9.8.2:*:*:*:*:*:*:*", "matchCriteriaId": "EAF8B33E-0C95-467D-A865-0A234E69D0CA", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:adaptive_security_appliance_software:9.9.1:*:*:*:*:*:*:*", "matchCriteriaId": "3C50642A-B123-4503-9EBB-32CDB67E44D8", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:adaptive_security_appliance_software:9.9.1\\(1\\):*:*:*:*:*:*:*", "matchCriteriaId": "508C3996-CBC5-48DC-B84B-88A142CF7281", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "A vulnerability in the implementation of Traffic Flow Confidentiality (TFC) over IPsec functionality in Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause an affected device to restart unexpectedly, resulting in a denial of service (DoS) condition. The vulnerability is due to an error that may occur if the affected software renegotiates the encryption key for an IPsec tunnel when certain TFC traffic is in flight. An attacker could exploit this vulnerability by sending a malicious stream of TFC traffic through an established IPsec tunnel on an affected device. A successful exploit could allow the attacker to cause a daemon process on the affected device to crash, which could cause the device to crash and result in a DoS condition."}, {"lang": "es", "value": "Una vulnerabilidad en la implementaci\u00f3n de Traffic Flow Confidentiality (TFC) en la funcionalidad IPsec en Cisco Adaptive Security Appliance (ASA) Software y Cisco Firepower Threat Defense (FTD) Software podr\u00eda permitir que un atacante remoto no autenticado provoque que un dispositivo afectado se reinicie inesperadamente, lo que resulta en una denegaci\u00f3n de servicio (DoS). La vulnerabilidad se debe a un error que podr\u00eda ocurrir si el software afectado renegocia la clave de cifrado para un t\u00fanel IPsec cuando cierto tr\u00e1fico TFC est\u00e1 en tr\u00e1nsito. Un atacante podr\u00eda explotar esta vulnerabilidad enviando un flujo de tr\u00e1fico TFC malicioso a trav\u00e9s de un t\u00fanel IPsec establecido en un dispositivo afectado. Su explotaci\u00f3n con \u00e9xito podr\u00eda permitir que el atacante provoque el cierre inesperado de un proceso demonio en el dispositivo afectado, lo que provocar\u00e1 que el dispositivo se cierre inesperadamente y desemboque en una denegaci\u00f3n de servicio (DoS)."}], "id": "CVE-2018-15397", "lastModified": "2024-11-21T03:50:42.047", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.1, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 4.0, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2018-10-05T14:29:08.107", "references": [{"source": "ykramarz@cisco.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1041786"}, {"source": "ykramarz@cisco.com", "tags": ["Vendor Advisory"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181003-asa-ipsec-dos"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1041786"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181003-asa-ipsec-dos"}], "sourceIdentifier": "ykramarz@cisco.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-320"}], "source": "ykramarz@cisco.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}