FKIE_CVE-2009-3527

Vulnerability from fkie_nvd - Published: 2009-10-06 22:30 - Updated: 2026-04-23 00:35
Severity ?
Summary
Race condition in the Pipe (IPC) close function in FreeBSD 6.3 and 6.4 allows local users to cause a denial of service (crash) or gain privileges via vectors related to kqueues, which triggers a use after free, leading to a NULL pointer dereference or memory corruption.
References
cve@mitre.orghttp://osvdb.org/58544
cve@mitre.orghttp://security.freebsd.org/advisories/FreeBSD-SA-09:13.pipe.ascPatch
cve@mitre.orghttp://www.securityfocus.com/archive/1/506449Exploit
cve@mitre.orghttp://www.securityfocus.com/bid/36375Patch
cve@mitre.orghttp://www.securitytracker.com/id?1022982Patch
af854a3a-2127-422b-91ae-364da2661108http://osvdb.org/58544
af854a3a-2127-422b-91ae-364da2661108http://security.freebsd.org/advisories/FreeBSD-SA-09:13.pipe.ascPatch
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/archive/1/506449Exploit
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/36375Patch
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id?1022982Patch
Impacted products
Vendor Product Version
freebsd freebsd 6.3
freebsd freebsd 6.4
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:freebsd:freebsd:6.3:*:*:*:*:*:*:*",
              "matchCriteriaId": "F702C46F-CA02-4FA2-B7D6-C61C2C095679",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:freebsd:freebsd:6.4:*:*:*:*:*:*:*",
              "matchCriteriaId": "A4F7F02A-C845-40BF-8490-510A070000F3",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Race condition in the Pipe (IPC) close function in FreeBSD 6.3 and 6.4 allows local users to cause a denial of service (crash) or gain privileges via vectors related to kqueues, which triggers a use after free, leading to a NULL pointer dereference or memory corruption."
    },
    {
      "lang": "es",
      "value": "Condici\u00f3n de carrera en la funci\u00f3n Close Pipe (IPC)en FreeBSD v6.3 y v6.4, permite a usuarios locales provocar una denegaci\u00f3n de servicio (ca\u00edda) u obtener  privilegios a trav\u00e9s de vectores relacionados con \"kqueues\", lo que provoca una liberaci\u00f3n despu\u00e9s del uso , aprovechando una deferencia a puntero NULL o una corrupci\u00f3n de memoria."
    }
  ],
  "id": "CVE-2009-3527",
  "lastModified": "2026-04-23T00:35:47.467",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 6.9,
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 3.4,
        "impactScore": 10.0,
        "obtainAllPrivilege": true,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2009-10-06T22:30:00.250",
  "references": [
    {
      "source": "cve@mitre.org",
      "url": "http://osvdb.org/58544"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch"
      ],
      "url": "http://security.freebsd.org/advisories/FreeBSD-SA-09:13.pipe.asc"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit"
      ],
      "url": "http://www.securityfocus.com/archive/1/506449"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch"
      ],
      "url": "http://www.securityfocus.com/bid/36375"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch"
      ],
      "url": "http://www.securitytracker.com/id?1022982"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://osvdb.org/58544"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "http://security.freebsd.org/advisories/FreeBSD-SA-09:13.pipe.asc"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit"
      ],
      "url": "http://www.securityfocus.com/archive/1/506449"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "http://www.securityfocus.com/bid/36375"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "http://www.securitytracker.com/id?1022982"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-362"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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