CVE-2009-2939

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{"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"}]}

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