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CVE-2008-4977

Estado: ModificadaMedia (6.9)—

postfix_groups.pl in Postfix 2.5.2 allows local users to overwrite arbitrary files via a symlink attack on the (1) /tmp/postfix_groups.stdout, (2) /tmp/postfix_groups.stderr, and (3) /tmp/postfix_groups.message temporary files. NOTE: the vendor disputes this vulnerability, stating "This is not a real issue ... users would have to edit a script under /usr/lib to enable it.

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)

Postfix — Postfix

CWE

Referencias

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{
  "id": "CVE-2008-4977",
  "cveTags": [
    {
      "tags": [
        "disputed"
      ],
      "sourceIdentifier": "cve@mitre.org"
    }
  ],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.9,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.4,
        "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": "2008-11-06T15:55:52.103",
  "references": [
    {
      "url": "http://bugs.debian.org/496401",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://dev.gentoo.org/~rbu/security/debiantemp/postfix",
      "tags": [
        "Exploit"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2008/10/30/2",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://bugs.gentoo.org/show_bug.cgi?id=235770",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://bugs.gentoo.org/show_bug.cgi?id=235811",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://bugs.debian.org/496401",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://dev.gentoo.org/~rbu/security/debiantemp/postfix",
      "tags": [
        "Exploit"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2008/10/30/2",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://bugs.gentoo.org/show_bug.cgi?id=235770",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://bugs.gentoo.org/show_bug.cgi?id=235811",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-59"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "postfix_groups.pl in Postfix 2.5.2 allows local users to overwrite arbitrary files via a symlink attack on the (1) /tmp/postfix_groups.stdout, (2) /tmp/postfix_groups.stderr, and (3) /tmp/postfix_groups.message temporary files.  NOTE: the vendor disputes this vulnerability, stating \"This is not a real issue ... users would have to edit a script under /usr/lib to enable it."
    },
    {
      "lang": "es",
      "value": "** CUESTIONADA ** postfix_groups.pl en Postfix v2.5.2 permite a usuarios locales sobrescribir ficheros a su elección a través de un ataque de enlace simulado en los ficheros temporales (1) /tmp/postfix_groups.stdout, (2) /tmp/postfix_groups.stderr, y (3) /tmp/postfix_groups.message. NOTA: El vendedor ha impugnado esta vulnerabilidad, argumentando que \"Este no es un problema real...los usuarios deberían realizar una secuencia de comandos bajo /usr/lib para poder hacerlo\"."
    }
  ],
  "lastModified": "2026-06-16T22:58:52.523",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:postfix:postfix:2.5.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A1DE90BD-B5F9-4762-B086-130AB04F3CB0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "vendorComments": [
    {
      "comment": "Not vulnerable. This issue did not affect the versions of postfix as shipped with Red Hat Enterprise Linux 3, 4, or 5. Mentioned script is not part of the official postfix distribution and is not included in Red Hat Enterprise Linux postfix packages.",
      "lastModified": "2008-11-06T00:00:00",
      "organization": "Red Hat"
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}