{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-20031", "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "state": "PUBLISHED", "assignerShortName": "cisco", "dateReserved": "2022-10-27T18:47:50.312Z", "datePublished": "2023-11-01T17:03:19.911Z", "dateUpdated": "2024-08-02T08:57:35.544Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco", "dateUpdated": "2024-01-25T16:57:34.231Z"}, "descriptions": [{"lang": "en", "value": "A vulnerability in the SSL/TLS certificate handling of Snort 3 Detection Engine integration with Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause the Snort 3 detection engine to restart. This vulnerability is due to a logic error that occurs when an SSL/TLS certificate that is under load is accessed when it is initiating an SSL connection. Under specific, time-based constraints, an attacker could exploit this vulnerability by sending a high rate of SSL/TLS connection requests to be inspected by the Snort 3 detection engine on an affected device. A successful exploit could allow the attacker to cause the Snort 3 detection engine to reload, resulting in either a bypass or a denial of service (DoS) condition, depending on device configuration. The Snort detection engine will restart automatically. No manual intervention is required."}], "affected": [{"vendor": "Cisco", "product": "Cisco Firepower Threat Defense Software", "versions": [{"version": "6.7.0", "status": "affected"}, {"version": "6.7.0.1", "status": "affected"}, {"version": "6.7.0.2", "status": "affected"}, {"version": "6.7.0.3", "status": "affected"}, {"version": "7.0.0", "status": "affected"}, {"version": "7.0.0.1", "status": "affected"}, {"version": "7.0.1", "status": "affected"}, {"version": "7.0.1.1", "status": "affected"}, {"version": "7.0.2", "status": "affected"}, {"version": "7.0.2.1", "status": "affected"}, {"version": "7.0.3", "status": "affected"}, {"version": "7.0.4", "status": "affected"}, {"version": "7.0.5", "status": "affected"}, {"version": "7.2.0", "status": "affected"}, {"version": "7.2.0.1", "status": "affected"}]}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Improper Clearing of Heap Memory Before Release ('Heap Inspection')", "type": "cwe", "cweId": "CWE-244"}]}], "references": [{"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-snort3-8U4HHxH8", "name": "cisco-sa-ftd-snort3-8U4HHxH8"}], "metrics": [{"format": "cvssV3_1", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N", "baseScore": 4, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "NONE"}}], "exploits": [{"lang": "en", "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."}], "source": {"advisory": "cisco-sa-ftd-snort3-8U4HHxH8", "discovery": "EXTERNAL", "defects": ["CSCwc07015"]}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T08:57:35.544Z"}, "title": "CVE Program Container", "references": [{"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-snort3-8U4HHxH8", "name": "cisco-sa-ftd-snort3-8U4HHxH8", "tags": ["x_transferred"]}]}]}}

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This vulnerability is due to a logic error that occurs when an SSL/TLS certificate that is under load is accessed when it is initiating an SSL connection. Under specific, time-based constraints, an attacker could exploit this vulnerability by sending a high rate of SSL/TLS connection requests to be inspected by the Snort 3 detection engine on an affected device. A successful exploit could allow the attacker to cause the Snort 3 detection engine to reload, resulting in either a bypass or a denial of service (DoS) condition, depending on device configuration. The Snort detection engine will restart automatically. No manual intervention is required."}, {"lang": "es", "value": "Una vulnerabilidad en el manejo de certificados SSL/TLS de la integraci\u00f3n del motor de detecci\u00f3n Snort 3 con el software Cisco Firepower Threat Defense (FTD) podr\u00eda permitir que un atacante remoto no autenticado provoque que el motor de detecci\u00f3n Snort 3 se reinicie. Esta vulnerabilidad se debe a un error l\u00f3gico que ocurre cuando se accede a un certificado SSL/TLS que est\u00e1 bajo carga cuando se inicia una conexi\u00f3n SSL. Bajo limitaciones espec\u00edficas basadas en el tiempo, un atacante podr\u00eda aprovechar esta vulnerabilidad enviando una alta tasa de solicitudes de conexi\u00f3n SSL/TLS para ser inspeccionadas por el motor de detecci\u00f3n Snort 3 en un dispositivo afectado. Un exploit exitoso podr\u00eda permitir al atacante hacer que el motor de detecci\u00f3n de Snort 3 se recargue, lo que resultar\u00eda en una condici\u00f3n de omisi\u00f3n o Denegaci\u00f3n de Servicio (DoS), dependiendo de la configuraci\u00f3n del dispositivo. El motor de detecci\u00f3n de Snort se reiniciar\u00e1 autom\u00e1ticamente. No se requiere intervenci\u00f3n manual."}], "id": "CVE-2023-20031", "lastModified": "2024-11-21T07:40:23.797", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.0, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 1.4, "source": "ykramarz@cisco.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 2.7, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2023-11-01T18:15:08.770", "references": [{"source": "ykramarz@cisco.com", "tags": ["Mitigation", "Vendor Advisory"], "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-snort3-8U4HHxH8"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mitigation", "Vendor Advisory"], "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-snort3-8U4HHxH8"}], "sourceIdentifier": "ykramarz@cisco.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-244"}], "source": "ykramarz@cisco.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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