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CVE-2024-7383

Full vulnerability record from the local CVENow database.

Description

A flaw was found in libnbd. The client did not always correctly verify the NBD server's certificate when using TLS to connect to an NBD server. This issue allows a man-in-the-middle attack on NBD traffic.

Severity
HIGH
CVSS score
7.4 (v3.1)
Vulnerability status
Deferred
Source identifier
Published
2024-08-05 14:15:35.130000
Last modified
2026-11-05 15:16:59.340000
View original CVE JSON
{
  "id": "CVE-2024-7383",
  "sourceIdentifier": "[email protected]",
  "published": "2024-08-05T14:15:35.130",
  "lastModified": "2026-11-05T15:16:59.340",
  "vulnStatus": "Deferred",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A flaw was found in libnbd. The client did not always correctly verify the NBD server's certificate when using TLS to connect to an NBD server. This issue allows a man-in-the-middle attack on NBD traffic."
    },
    {
      "lang": "es",
      "value": "Se encontró una falla en libnbd. El cliente no siempre verificaba correctamente el certificado del servidor NBD cuando usaba TLS para conectarse a un servidor NBD. Este problema permite un ataque de intermediario al tráfico NBD."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "collectionURL": "https://gitlab.com/nbdkit/libnbd",
          "packageName": "libnbd",
          "versions": [
            {
              "version": "1.18.0",
              "lessThan": "1.18.5",
              "versionType": "semver",
              "status": "affected"
            },
            {
              "version": "1.20.0",
              "lessThan": "1.20.2",
              "versionType": "semver",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Red Hat",
          "product": "Red Hat Enterprise Linux 8",
          "defaultStatus": "affected",
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "packageName": "virt-devel:rhel",
          "cpes": [
            "cpe:/a:redhat:enterprise_linux:8::appstream",
            "cpe:/a:redhat:enterprise_linux:8::crb"
          ],
          "versions": [
            {
              "version": "8100020240905091210.489197e6",
              "lessThan": "*",
              "versionType": "rpm",
              "status": "unaffected"
            }
          ]
        },
        {
          "vendor": "Red Hat",
          "product": "Red Hat Enterprise Linux 8",
          "defaultStatus": "affected",
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "packageName": "virt:rhel",
          "cpes": [
            "cpe:/a:redhat:enterprise_linux:8::appstream",
            "cpe:/a:redhat:enterprise_linux:8::crb"
          ],
          "versions": [
            {
              "version": "8100020240905091210.489197e6",
              "lessThan": "*",
              "versionType": "rpm",
              "status": "unaffected"
            }
          ]
        },
        {
          "vendor": "Red Hat",
          "product": "Red Hat Enterprise Linux 9",
          "defaultStatus": "affected",
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "packageName": "libnbd",
          "cpes": [
            "cpe:/a:redhat:enterprise_linux:9::appstream",
            "cpe:/a:redhat:enterprise_linux:9::crb"
          ],
          "versions": [
            {
              "version": "0:1.18.1-4.el9_4",
              "lessThan": "*",
              "versionType": "rpm",
              "status": "unaffected"
            }
          ]
        },
        {
          "vendor": "Red Hat",
          "product": "Red Hat Enterprise Linux 10",
          "defaultStatus": "affected",
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "packageName": "libnbd",
          "cpes": [
            "cpe:/a:redhat:enterprise_linux:10"
          ]
        },
        {
          "vendor": "Red Hat",
          "product": "Red Hat Enterprise Linux 8 Advanced Virtualization",
          "defaultStatus": "affected",
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "packageName": "virt:av/libnbd",
          "cpes": [
            "cpe:/a:redhat:advanced_virtualization:8::el8"
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
          "baseScore": 7.4,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "HIGH",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 5.2
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2024-08-06T16:15:33.971325Z",
          "id": "CVE-2024-7383",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-295"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://access.redhat.com/errata/RHSA-2024:6757",
      "source": "[email protected]"
    },
    {
      "url": "https://access.redhat.com/errata/RHSA-2024:6964",
      "source": "[email protected]"
    },
    {
      "url": "https://access.redhat.com/security/cve/CVE-2024-7383",
      "source": "[email protected]"
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2302865",
      "source": "[email protected]"
    },
    {
      "url": "https://lists.libguestfs.org/archives/list/[email protected]/message/LHR3BW6RJ7K4BJBQIYV3GTZLSY27VZO2",
      "source": "[email protected]"
    },
    {
      "url": "https://lists.libguestfs.org/archives/list/[email protected]/thread/ENZY4LHLARA3N4C3JUNLPYUCXHFO7BWQ/",
      "source": "[email protected]"
    }
  ]
}