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CVE-2017-8807

Estado: ModificadaCrítica (9.1)—

vbf_stp_error in bin/varnishd/cache/cache_fetch.c in Varnish HTTP Cache 4.1.x before 4.1.9 and 5.x before 5.2.1 allows remote attackers to obtain sensitive information from process memory because a VFP_GetStorage buffer is larger than intended in certain circumstances involving -sfile Stevedore transient objects.

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 (3)

Debian — Debian LinuxVarnish-cache — VarnishVarnish Cache Project — Varnish Cache

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2017-8807",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.4,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 4.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 9.1,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.2,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "security@debian.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "Varnish HTTP Cache 4.1.x before 4.1.9 and 5.x before 5.2.1",
          "versions": [
            {
              "status": "affected",
              "version": "Varnish HTTP Cache 4.1.x before 4.1.9 and 5.x before 5.2.1"
            }
          ]
        }
      ]
    }
  ],
  "published": "2017-11-16T02:29:05.660",
  "references": [
    {
      "url": "http://varnish-cache.org/security/VSV00002.html",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "security@debian.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/101886",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "security@debian.org"
    },
    {
      "url": "https://bugs.debian.org/881808",
      "tags": [
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "source": "security@debian.org"
    },
    {
      "url": "https://github.com/varnishcache/varnish-cache/commit/176f8a075a963ffbfa56f1c460c15f6a1a6af5a7",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "security@debian.org"
    },
    {
      "url": "https://github.com/varnishcache/varnish-cache/pull/2429",
      "tags": [
        "Issue Tracking",
        "Vendor Advisory"
      ],
      "source": "security@debian.org"
    },
    {
      "url": "https://www.debian.org/security/2017/dsa-4034",
      "tags": [
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      "source": "security@debian.org"
    },
    {
      "url": "http://varnish-cache.org/security/VSV00002.html",
      "tags": [
        "Patch",
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/101886",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://bugs.debian.org/881808",
      "tags": [
        "Issue Tracking",
        "Third Party Advisory"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/varnishcache/varnish-cache/commit/176f8a075a963ffbfa56f1c460c15f6a1a6af5a7",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/varnishcache/varnish-cache/pull/2429",
      "tags": [
        "Issue Tracking",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.debian.org/security/2017/dsa-4034",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "vbf_stp_error in bin/varnishd/cache/cache_fetch.c in Varnish HTTP Cache 4.1.x before 4.1.9 and 5.x before 5.2.1 allows remote attackers to obtain sensitive information from process memory because a VFP_GetStorage buffer is larger than intended in certain circumstances involving -sfile Stevedore transient objects."
    },
    {
      "lang": "es",
      "value": "vbf_stp_error en bin/varnishd/cache/cache_fetch.c en Varnish HTTP Cache en versiones 4.1.x anteriores a la 4.1.9 y las versiones 5.x anteriores a la 5.2.1 permite que atacantes remotos obtengan información sensible de la memoria de procesos debido a que un búfer VFP_GetStorage es más grande de lo planeado en ciertas circunstancias relacionadas con objetos transitorios -sfile Stevedore."
    }
  ],
  "lastModified": "2026-06-17T01:26:59.820",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:varnish-cache:varnish:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "0870F626-489C-4652-9D6E-6914226A1ED4",
              "versionEndExcluding": "4.1.9",
              "versionStartIncluding": "4.1.0"
            },
            {
              "criteria": "cpe:2.3:a:varnish_cache_project:varnish_cache:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "4E9ADE7F-7963-4A1A-9C57-1880888D23EB",
              "versionEndExcluding": "5.2.1",
              "versionStartIncluding": "5.0.0"
            }
          ],
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
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              "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security@debian.org"
}