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CVE-2024-39916

Status: ModifiedMedium (6.4)—

FOG is a free open-source cloning/imaging/rescue suite/inventory management system. There is a security issue with the NFS configuration in /etc/exports generated by the installer that allows an attacker to modify files outside the export in the default installation. The exports have the no_subtree_check option. The no_subtree_check option means that if a client performs a file operation, the server will only check if the requested file is on the correct filesystem, not if it is in the correct directory. This enables modifying files in /images, accessing other files on the same filesystem, and accessing files on other filesystems. This vulnerability is fixed in 1.5.10.30.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2024-39916",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-39916",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-07-12T20:00:36.478290Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security-advisories@github.com",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 6.4,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.7,
        "exploitabilityScore": 3.1
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 6.4,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.7,
        "exploitabilityScore": 3.1
      }
    ]
  },
  "affected": [
    {
      "source": "security-advisories@github.com",
      "affectedData": [
        {
          "vendor": "FOGProject",
          "product": "fogproject",
          "versions": [
            {
              "status": "affected",
              "version": "< 1.5.10.30"
            }
          ]
        }
      ]
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  ],
  "published": "2024-07-12T15:15:11.813",
  "references": [
    {
      "url": "https://github.com/FOGProject/fogproject/commit/2de209bc57a177a052b4a877f000c591740b2f88",
      "tags": [
        "Patch"
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      "source": "security-advisories@github.com"
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      "url": "https://github.com/FOGProject/fogproject/security/advisories/GHSA-3xjr-xf9v-hwjh",
      "tags": [
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      "source": "security-advisories@github.com"
    },
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      "url": "https://github.com/FOGProject/fogproject/commit/2de209bc57a177a052b4a877f000c591740b2f88",
      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/FOGProject/fogproject/security/advisories/GHSA-3xjr-xf9v-hwjh",
      "tags": [
        "Third Party Advisory"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security-advisories@github.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-453"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-1188"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "FOG is a free open-source cloning/imaging/rescue suite/inventory management system. There is a security issue with the NFS configuration in /etc/exports generated by the installer that allows an attacker to modify files outside the export in the default installation. The exports have the no_subtree_check option. The no_subtree_check option means that if a client performs a file operation, the server will only check if the requested file is on the correct filesystem, not if it is in the correct directory. This enables modifying files in /images, accessing other files on the same filesystem, and accessing files on other filesystems. This vulnerability is fixed in 1.5.10.30."
    },
    {
      "lang": "es",
      "value": "FOG es un sistema gratuito de gestión de inventario, imágenes, clonación y rescate de código abierto. Existe un problema de seguridad con la configuración de NFS en /etc/exports generada por el instalador que permite a un atacante modificar archivos fuera de la exportación en la instalación predeterminada. Las exportaciones tienen la opción no_subtree_check. La opción no_subtree_check significa que si un cliente realiza una operación de archivo, el servidor solo verificará si el archivo solicitado está en el sistema de archivos correcto, no si está en el directorio correcto. Esto permite modificar archivos en /images, acceder a otros archivos en el mismo sistema de archivos y acceder a archivos en otros sistemas de archivos. Esta vulnerabilidad se solucionó en 1.5.10.30."
    }
  ],
  "lastModified": "2026-06-17T07:43:01.177",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:fogproject:fogproject:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D6C828F1-A3A9-4637-8F07-CD959CB2B7CD",
              "versionEndIncluding": "1.5.10"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security-advisories@github.com"
}