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CVE-2019-17652

Estado: ModificadaMedia (6.5)—

A stack buffer overflow vulnerability in FortiClient for Linux 6.2.1 and below may allow a user with low privilege to cause FortiClient processes running under root priviledge crashes via sending specially crafted "StartAvCustomScan" type IPC client requests to the fctsched process due the argv data not been well sanitized.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Fortinet — Forticlient

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2019-17652",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2019-17652",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-10-23T13:59:34.606481Z"
        }
      }
    ],
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:C",
          "authentication": "SINGLE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 6.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.5,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "psirt@fortinet.com",
      "affectedData": [
        {
          "vendor": "Fortinet",
          "product": "Fortinet FortiClientLinux",
          "versions": [
            {
              "status": "affected",
              "version": "FortiClientLinux 6.2.1 and below"
            }
          ]
        }
      ]
    }
  ],
  "published": "2020-02-06T16:15:12.353",
  "references": [
    {
      "url": "https://danishcyberdefence.dk/blog/forticlient_linux",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "psirt@fortinet.com"
    },
    {
      "url": "https://fortiguard.com/psirt/FG-IR-19-238",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "psirt@fortinet.com"
    },
    {
      "url": "https://danishcyberdefence.dk/blog/forticlient_linux",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://fortiguard.com/psirt/FG-IR-19-238",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A stack buffer overflow vulnerability in FortiClient for Linux 6.2.1 and below may allow a user with low privilege to cause FortiClient processes running under root priviledge crashes via sending specially crafted \"StartAvCustomScan\" type IPC client requests to the fctsched process due the argv data not been well sanitized."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de desbordamiento del búfer de la pila en FortiClient para Linux versiones 6.2.1 y posteriores, puede permitir a un usuario con privilegios bajos causar que los procesos de FortiClient se ejecuten bajo bloqueos de los privilegios root mediante el envío de peticiones del cliente IPC de tipo \"StartAvCustomScan\" especialmente diseñadas hacia el proceso fctsched debido a que los datos argv no han sido bien saneados."
    }
  ],
  "lastModified": "2026-06-17T02:24:21.113",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:linux:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E48E9C78-9690-4FC2-86A8-290DF7321A57",
              "versionEndIncluding": "6.2.1"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "psirt@fortinet.com"
}