{
  "id": "CVE-2021-23192",
  "sourceIdentifier": "secalert@redhat.com",
  "published": "2022-03-02T23:15:08.403",
  "lastModified": "2022-08-29T20:26:47.843",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "A flaw was found in the way samba implemented DCE/RPC. If a client to a Samba server sent a very large DCE/RPC request, and chose to fragment it, an attacker could replace later fragments with their own data, bypassing the signature requirements."
    },
    {
      "lang": "es",
      "value": "Se ha encontrado un fallo en la forma en que samba implementa DCE/RPC. Si un cliente a un servidor Samba enviaba una petici\u00f3n DCE/RPC muy grande, y eleg\u00eda fragmentarla, un atacante pod\u00eda reemplazar los fragmentos posteriores con sus propios datos, omitiendo los requisitos de firma"
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "availabilityImpact": "NONE",
          "baseScore": 7.5,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "NONE",
          "baseScore": 5.0
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    },
    {
      "source": "secalert@redhat.com",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "4.10.0",
              "versionEndExcluding": "4.13.14",
              "matchCriteriaId": "080C2937-B3B7-4246-B2E7-D5F714BCD724"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "4.14.0",
              "versionEndExcluding": "4.14.10",
              "matchCriteriaId": "E2BD5F53-14DC-4BBF-8E5D-A1DBD24B5F02"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "4.15.0",
              "versionEndExcluding": "4.15.2",
              "matchCriteriaId": "8F33C9B3-33EE-431B-93CF-B738D05BBD0A"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2019666",
      "source": "secalert@redhat.com",
      "tags": [
        "Issue Tracking",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://ubuntu.com/security/CVE-2021-23192",
      "source": "secalert@redhat.com",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.samba.org/samba/security/CVE-2021-23192.html",
      "source": "secalert@redhat.com",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ]
    }
  ]
}