Vulnerability-Lookup

CVE-2009-2939 (GCVE-0-2009-2939)

Vulnerability from cvelistv5 – Published: 2009-09-21 19:00 – Updated: 2024-08-07 06:07

Summary

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.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root Scorecard

References

2 references

URL	Tags
http://www.openwall.com/lists/oss-security/2009/09/18/6	mailing-listx_refsource_MLIST
http://www.debian.org/security/2011/dsa-2233	vendor-advisoryx_refsource_DEBIAN

Date Public

2009-09-18 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-07T06:07:37.330Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "[oss-security] 20090918 Insecure pid directory permissions for postfix on Debian / Ubuntu",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2009/09/18/6"
          },
          {
            "name": "DSA-2233",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "http://www.debian.org/security/2011/dsa-2233"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2009-09-18T00:00:00.000Z",
      "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."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2011-08-23T09:00:00.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "name": "[oss-security] 20090918 Insecure pid directory permissions for postfix on Debian / Ubuntu",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2009/09/18/6"
        },
        {
          "name": "DSA-2233",
          "tags": [
            "vendor-advisory",
            "x_refsource_DEBIAN"
          ],
          "url": "http://www.debian.org/security/2011/dsa-2233"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2009-2939",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "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."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "[oss-security] 20090918 Insecure pid directory permissions for postfix on Debian / Ubuntu",
              "refsource": "MLIST",
              "url": "http://www.openwall.com/lists/oss-security/2009/09/18/6"
            },
            {
              "name": "DSA-2233",
              "refsource": "DEBIAN",
              "url": "http://www.debian.org/security/2011/dsa-2233"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2009-2939",
    "datePublished": "2009-09-21T19:00:00.000Z",
    "dateReserved": "2009-08-23T00:00:00.000Z",
    "dateUpdated": "2024-08-07T06:07:37.330Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2009-2939",
      "date": "2026-10-02",
      "epss": "0.00495",
      "percentile": "0.403"
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "product": "n/a",
                "vendor": "n/a",
                "versions": [
                  {
                    "status": "affected",
                    "version": "n/a"
                  }
                ]
              }
            ],
            "source": "cve@mitre.org"
          }
        ],
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:postfix:postfix:2.5.5:*:*:*:*:*:*:*",
                    "matchCriteriaId": "894002C8-F3C1-4241-96FE-C088BBD0FCED",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:debian:debian_linux:6.06:*:*:*:*:*:*:*",
                    "matchCriteriaId": "67D47FA7-B5AF-4580-8BA7-8408D98D1F26",
                    "vulnerable": false
                  },
                  {
                    "criteria": "cpe:2.3:o:ubuntu:ubuntu_linux:4.0:*:*:*:*:*:*:*",
                    "matchCriteriaId": "F22916E8-84BE-444D-9B99-199FE8E0F665",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          }
        ],
        "cveTags": [],
        "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 simb\u00f3licos que sobrescriban ficheros de su elecci\u00f3n."
          }
        ],
        "id": "CVE-2009-2939",
        "lastModified": "2026-06-16T23:10:32.507",
        "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": "2009-09-21T19:30:00.390",
        "references": [
          {
            "source": "cve@mitre.org",
            "url": "http://www.debian.org/security/2011/dsa-2233"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
              "Exploit"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2009/09/18/6"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.debian.org/security/2011/dsa-2233"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Exploit"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2009/09/18/6"
          }
        ],
        "sourceIdentifier": "cve@mitre.org",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-59"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    }
  }
}

EUVD-2026-123728

European Vulnerability Database identifier assigned by ENISA

Reserved

2026-10-02 06:32

Assigner

ENISA

Alias of

a CVE record, shown under related vulnerabilities. This identifier carries no description, severity or references of its own: they belong to that CVE.

JSON

To clipboard

{
  "assigner": "ENISA",
  "date_reserved": "2026-10-02T06:32:58.349184+00:00",
  "id": "EUVD-2026-123728"
}

FKIE_CVE-2009-2939

Vulnerability from fkie_nvd - Published: 2009-09-21 19:30 - Updated: 2026-06-16 23:10

Severity

Summary

References

URL	Tags
cve@mitre.org	http://www.debian.org/security/2011/dsa-2233
cve@mitre.org	http://www.openwall.com/lists/oss-security/2009/09/18/6	Exploit
af854a3a-2127-422b-91ae-364da2661108	http://www.debian.org/security/2011/dsa-2233
af854a3a-2127-422b-91ae-364da2661108	http://www.openwall.com/lists/oss-security/2009/09/18/6	Exploit

Impacted products

Vendor	Product	Version
postfix	postfix	2.5.5
debian	debian_linux	6.06
ubuntu	ubuntu_linux	4.0

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:postfix:postfix:2.5.5:*:*:*:*:*:*:*",
              "matchCriteriaId": "894002C8-F3C1-4241-96FE-C088BBD0FCED",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:debian:debian_linux:6.06:*:*:*:*:*:*:*",
              "matchCriteriaId": "67D47FA7-B5AF-4580-8BA7-8408D98D1F26",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:o:ubuntu:ubuntu_linux:4.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "F22916E8-84BE-444D-9B99-199FE8E0F665",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "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 simb\u00f3licos que sobrescriban ficheros de su elecci\u00f3n."
    }
  ],
  "id": "CVE-2009-2939",
  "lastModified": "2026-06-16T23:10:32.507",
  "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": "2009-09-21T19:30:00.390",
  "references": [
    {
      "source": "cve@mitre.org",
      "url": "http://www.debian.org/security/2011/dsa-2233"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2009/09/18/6"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.debian.org/security/2011/dsa-2233"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2009/09/18/6"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-59"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

GHSA-RPQW-5G6J-X944

Vulnerability from github – Published: 2022-05-02 03:40 – Updated: 2022-05-02 03:40

Details

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2009-2939"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-59"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2009-09-21T19:30:00Z",
    "severity": "MODERATE"
  },
  "details": "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.",
  "id": "GHSA-rpqw-5g6j-x944",
  "modified": "2022-05-02T03:40:08Z",
  "published": "2022-05-02T03:40:08Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2009-2939"
    },
    {
      "type": "WEB",
      "url": "http://www.debian.org/security/2011/dsa-2233"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2009/09/18/6"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

GSD-2009-2939

Vulnerability from gsd - Updated: 2023-12-13 01:19

Details

Aliases

CVE-2009-2939

Aliases

CVE-2009-2939

JSON

To clipboard

{
  "GSD": {
    "alias": "CVE-2009-2939",
    "description": "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.",
    "id": "GSD-2009-2939",
    "references": [
      "https://www.debian.org/security/2011/dsa-2233"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2009-2939"
      ],
      "details": "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.",
      "id": "GSD-2009-2939",
      "modified": "2023-12-13T01:19:46.165483Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2009-2939",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "n/a"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "n/a"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "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."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "n/a"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "[oss-security] 20090918 Insecure pid directory permissions for postfix on Debian / Ubuntu",
            "refsource": "MLIST",
            "url": "http://www.openwall.com/lists/oss-security/2009/09/18/6"
          },
          {
            "name": "DSA-2233",
            "refsource": "DEBIAN",
            "url": "http://www.debian.org/security/2011/dsa-2233"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [
              {
                "children": [],
                "cpe_match": [
                  {
                    "cpe23Uri": "cpe:2.3:a:postfix:postfix:2.5.5:*:*:*:*:*:*:*",
                    "cpe_name": [],
                    "vulnerable": true
                  }
                ],
                "operator": "OR"
              },
              {
                "children": [],
                "cpe_match": [
                  {
                    "cpe23Uri": "cpe:2.3:o:debian:debian_linux:6.06:*:*:*:*:*:*:*",
                    "cpe_name": [],
                    "vulnerable": false
                  },
                  {
                    "cpe23Uri": "cpe:2.3:o:ubuntu:ubuntu_linux:4.0:*:*:*:*:*:*:*",
                    "cpe_name": [],
                    "vulnerable": false
                  }
                ],
                "operator": "OR"
              }
            ],
            "cpe_match": [],
            "operator": "AND"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2009-2939"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "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."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-59"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "[oss-security] 20090918 Insecure pid directory permissions for postfix on Debian / Ubuntu",
              "refsource": "MLIST",
              "tags": [
                "Exploit"
              ],
              "url": "http://www.openwall.com/lists/oss-security/2009/09/18/6"
            },
            {
              "name": "DSA-2233",
              "refsource": "DEBIAN",
              "tags": [],
              "url": "http://www.debian.org/security/2011/dsa-2233"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "cvssV2": {
            "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,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        }
      },
      "lastModifiedDate": "2011-08-24T03:02Z",
      "publishedDate": "2009-09-21T19:30Z"
    }
  }
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2009-2939 (GCVE-0-2009-2939)

EUVD-2026-123728

FKIE_CVE-2009-2939

GHSA-RPQW-5G6J-X944

GSD-2009-2939

Tags

Sightings

Nomenclature

Related by attack behaviour