CVE-2009-0361

Estado: ModificadaMedia (4.6)—
Russ Allbery pam-krb5 before 3.13, as used by libpam-heimdal, su in Solaris 10, and other software, does not properly handle calls to pam_setcred when running setuid, which allows local users to overwrite and change the ownership of arbitrary files by setting the KRB5CCNAME environment variable, and then launching a setuid application that performs certain pam_setcred operations.
CVSS

Versión: 2.0
Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P
Puntuación base: 4.6
Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.38%
Percentil entre todas las CVEs puntuadas: 30
Fecha de la puntuación: 4/10/2026
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)

Eyrie — Pam-krb5
CWE

CWE-264
Referencias

JSON original (NVD)

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{
  "id": "CVE-2009-0361",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.6,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": true,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2009-02-13T17:30:00.687",
  "references": [
    {
      "url": "http://secunia.com/advisories/33914",
      "tags": [
        "Vendor Advisory"
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      "source": "cve@mitre.org"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "url": "http://www.vupen.com/english/advisories/2009/0410",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
      "url": "http://www.vupen.com/english/advisories/2009/0426",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
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      "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": "Russ Allbery pam-krb5 before 3.13, as used by libpam-heimdal, su in Solaris 10, and other software, does not properly handle calls to pam_setcred when running setuid, which allows local users to overwrite and change the ownership of arbitrary files by setting the KRB5CCNAME environment variable, and then launching a setuid application that performs certain pam_setcred operations."
    },
    {
      "lang": "es",
      "value": "Russ Allbery pam-krb5 versiones anteriores a v3.13, como el usado por libpam-heimdal, el comando \"su\" en Solaris 10, y otros programas, no gestiona correctamente las peticiones a \"pam_setcred\" al ejecutar \"setuid\", permitiendo a usuarios locales sobreescribir y cambiar los propietarios de los ficheros que elijan al asignarle un valor a la variable de entorno \"KRB5CCNAME\", y después invocar la aplicación setuid que efectúa ciertas operaciones \"pam_setcred\"."
    }
  ],
  "lastModified": "2026-06-16T23:04:51.870",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "criteria": "cpe:2.3:a:eyrie:pam-krb5:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "989241C8-BC2F-4DE2-BF9E-9CC64198AF5A",
              "versionEndIncluding": "3.12"
            },
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              "vulnerable": true,
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            },
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            },
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            },
            {
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              "matchCriteriaId": "1FF1D6C7-15E6-4DAA-92C1-C216905866B4"
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            },
            {
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            },
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            },
            {
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              "matchCriteriaId": "0FE72618-6BE5-45F3-A782-991A73C09389"
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            {
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          "operator": "OR"
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  "vendorComments": [
    {
      "comment": "Not vulnerable. This issue did not affect the versions of the pam_krb5 package, as shipped with Red Hat Enterprise Linux 2.1, 3, 4, or 5.",
      "lastModified": "2009-02-13T00:00:00",
      "organization": "Red Hat"
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}