« Volver al listado

CVE-2009-2939

Estado: ModificadaMedia (6.9)—

The postfix.postinst script in the Debian GNU/Linux and Ubuntu postfix 2.5.5 package grants the postfix user write access to /var/spool/postfix/pid, which might allow local users to conduct symlink attacks that overwrite arbitrary files.

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

JSON original (NVD)

Mostrar
{
  "id": "CVE-2009-2939",
  "cveTags": [],
  "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": true,
        "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": "2009-09-21T19:30:00.390",
  "references": [
    {
      "url": "http://www.debian.org/security/2011/dsa-2233",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2009/09/18/6",
      "tags": [
        "Exploit"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.debian.org/security/2011/dsa-2233",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2009/09/18/6",
      "tags": [
        "Exploit"
      ],
      "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": "The postfix.postinst script in the Debian GNU/Linux and Ubuntu postfix 2.5.5 package grants the postfix user write access to /var/spool/postfix/pid, which might allow local users to conduct symlink attacks that overwrite arbitrary files."
    },
    {
      "lang": "es",
      "value": "El script postfix.postinst en el paquete postfix v2.5.5 de Debian GNU/Linux y Ubuntu permite acceso de escritura al usuario postfix en /var/spool/postfix/pid, permitiendo a usuarios locales dirigir ataques de enlaces simbólicos que sobrescriban ficheros de su elección."
    }
  ],
  "lastModified": "2026-06-16T23:10:32.507",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:postfix:postfix:2.5.5:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "894002C8-F3C1-4241-96FE-C088BBD0FCED"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:debian:debian_linux:6.06:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "67D47FA7-B5AF-4580-8BA7-8408D98D1F26"
            },
            {
              "criteria": "cpe:2.3:o:ubuntu:ubuntu_linux:4.0:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "F22916E8-84BE-444D-9B99-199FE8E0F665"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}