fkie_cve-2023-20270
Vulnerability from fkie_nvd
Published
2023-11-01 17:15
Modified
2024-11-21 07:41
Severity ?
5.8 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L
5.8 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L
Summary
A vulnerability in the interaction between the Server Message Block (SMB) protocol preprocessor and the Snort 3 detection engine for Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to bypass the configured policies or cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper error-checking when the Snort 3 detection engine is processing SMB traffic. An attacker could exploit this vulnerability by sending a crafted SMB packet stream through an affected device. A successful exploit could allow the attacker to cause the Snort process to reload, resulting in a DoS condition.
References
psirt@cisco.comhttps://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-smbsnort3-dos-pfOjOYUVVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-smbsnort3-dos-pfOjOYUVVendor Advisory
Impacted products
Vendor Product Version
cisco firepower_threat_defense 7.1.0
cisco firepower_threat_defense 7.1.0.1
cisco firepower_threat_defense 7.1.0.2
cisco firepower_threat_defense 7.1.0.3
cisco firepower_threat_defense 7.2.0
cisco firepower_threat_defense 7.2.0.1
cisco firepower_threat_defense 7.2.1
cisco firepower_threat_defense 7.2.2
cisco firepower_threat_defense 7.2.3
cisco firepower_threat_defense 7.3.0
cisco firepower_threat_defense 7.3.1
cisco firepower_threat_defense 7.3.1.1


To clipboard 

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    {
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability in the interaction between the Server Message Block (SMB) protocol preprocessor and the Snort 3 detection engine for Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to bypass the configured policies or cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper error-checking when the Snort 3 detection engine is processing SMB traffic. An attacker could exploit this vulnerability by sending a crafted SMB packet stream through an affected device. A successful exploit could allow the attacker to cause the Snort process to reload, resulting in a DoS condition."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad en la interacci\u00f3n entre el preprocesador del protocolo Server Message Block (SMB) y el motor de detecci\u00f3n Snort 3 para el software Cisco Firepower Threat Defense (FTD) podr\u00eda permitir que un atacante remoto no autenticado omita las pol\u00edticas configuradas o provoque una Denegaci\u00f3n de Servicio (DoS) condici\u00f3n en un dispositivo afectado. Esta vulnerabilidad se debe a una verificaci\u00f3n de errores incorrecta cuando el motor de detecci\u00f3n de Snort 3 procesa el tr\u00e1fico SMB. Un atacante podr\u00eda aprovechar esta vulnerabilidad enviando un flujo de paquetes SMB manipulado a trav\u00e9s de un dispositivo afectado. Un exploit exitoso podr\u00eda permitir al atacante hacer que el proceso Snort se recargue, lo que resultar\u00eda en una condici\u00f3n DoS."
    }
  ],
  "id": "CVE-2023-20270",
  "lastModified": "2024-11-21T07:41:02.670",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 5.8,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L",
          "version": "3.1"
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        "type": "Secondary"
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          "attackVector": "NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 5.8,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2023-11-01T17:15:11.783",
  "references": [
    {
      "source": "psirt@cisco.com",
      "tags": [
        "Vendor Advisory"
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    },
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  "sourceIdentifier": "psirt@cisco.com",
  "vulnStatus": "Modified",
  "weaknesses": [
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          "value": "CWE-20"
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      "type": "Secondary"
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          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
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}


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