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NOTE: this can be leveraged to gain privileges if there is a symlink to an init script."}, {"lang": "es", "value": "Postfix antes de 2.3.15, 2.4 anterior a 2.4.8, 2.5 anterior a 2.5.4 y 2.6 antes de 2.6-20080814, cuando el sistema operativo admite enlaces duros (hard links) a enlaces simb\u00f3licos, permite a usuarios locales a\u00f1adir mensajes de correo a un archivo al que apunta un enlace simb\u00f3lico propiedad de root, creando un enlace duro a este enlace simb\u00f3lico y enviando un mensaje despu\u00e9s. NOTA: esto puede ser utilizado para obtener privilegios si hay un enlace simb\u00f3lico a un script init."}], "evaluatorComment": "Please refer to the following links for additional version information (vendor release notes):\r\n\r\n\r\nPostfix 2.3 - ftp://mirrors.loonybin.net/pub/postfix/official/postfix-2.3.15.RELEASE_NOTES\r\n\r\nPostfix 2.4 - ftp://mirrors.loonybin.net/pub/postfix/official/postfix-2.4.8.RELEASE_NOTES\r\n\r\nPostfix 2.5 - ftp://mirrors.loonybin.net/pub/postfix/official/postfix-2.5.4.RELEASE_NOTES\r\n\r\nPostfix 2.6 - ftp://mirrors.loonybin.net/pub/postfix/experimental/postfix-2.6-20080814.RELEASE_NOTES", "id": "CVE-2008-2936", "lastModified": "2025-04-09T00:30:58.490", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "HIGH", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 6.2, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", 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{"acknowledgement": "Red Hat would like to thank Sebastian Krahmer for reporting this issue.", "affected_release": [{"advisory": "RHSA-2008:0839", "cpe": "cpe:/o:redhat:enterprise_linux:3", "package": "postfix-2:2.0.16-14.1.RHEL3", "product_name": "Red Hat Enterprise Linux 3", "release_date": "2008-08-14T00:00:00Z"}, {"advisory": "RHSA-2008:0839", "cpe": "cpe:/o:redhat:enterprise_linux:4", "package": "postfix-2:2.2.10-1.2.1.el4_7", "product_name": "Red Hat Enterprise Linux 4", "release_date": "2008-08-14T00:00:00Z"}, {"advisory": "RHSA-2008:0839", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "postfix-2:2.3.3-2.1.el5_2", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2008-08-14T00:00:00Z"}], "bugzilla": {"description": "postfix privilege escalation flaw", "id": "456314", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=456314"}, "csaw": false, "details": ["Postfix before 2.3.15, 2.4 before 2.4.8, 2.5 before 2.5.4, and 2.6 before 2.6-20080814, when the operating system supports hard links to symlinks, allows local users to append e-mail messages to a file to which a root-owned symlink points, by creating a hard link to this symlink and then sending a message. NOTE: this can be leveraged to gain privileges if there is a symlink to an init script."], "name": "CVE-2008-2936", "public_date": "2008-08-14T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2008-2936\nhttps://nvd.nist.gov/vuln/detail/CVE-2008-2936"], "threat_severity": "Moderate"}