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CVE-2007-5101

Status: ModifiedHigh (7.2)—

ChironFS before 1.0 RC7 sets user/group ownership to the mounter account instead of the creator account when files are created, which allows local users to gain privileges.

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)

Furquim — Chironfs

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2007-5101",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.2,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": true,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2007-09-26T22:17:00.000",
  "references": [
    {
      "url": "http://code.google.com/p/chironfs/issues/detail?id=6",
      "tags": [
        "Exploit"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://furquim.org/chironfs/Changelog.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://osvdb.org/40586",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/26943",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/25780",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/36751",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://code.google.com/p/chironfs/issues/detail?id=6",
      "tags": [
        "Exploit"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://furquim.org/chironfs/Changelog.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://osvdb.org/40586",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/26943",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/25780",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/36751",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-264"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "ChironFS before 1.0 RC7 sets user/group ownership to the mounter account instead of the creator account when files are created, which allows local users to gain privileges."
    },
    {
      "lang": "es",
      "value": "ChironFS anterior a 1.0 RC7 establece el usuario y grupo propietario a la cuenta que hace el montaje en lugar de a la cuenta del creador cuando se crean archivo, lo cual permite a usuarios locales obtener privilegios."
    }
  ],
  "lastModified": "2026-06-16T22:45:26.770",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:furquim:chironfs:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "3D494C4D-87A4-4C26-8404-F078E1E0BD4B",
              "versionEndIncluding": "1.0_rc6"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}