CVE-2009-2904

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:openbsd:openssh:4.3:*:*:*:*:*:*:*", "matchCriteriaId": "7910598E-BEC1-4644-9DE4-D8BE505A4F9E", "vulnerable": true}, {"criteria": "cpe:2.3:a:openbsd:openssh:4.8:*:*:*:*:*:*:*", "matchCriteriaId": "40B1B209-53B8-48DC-AFFC-BD69D5978A0B", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:11:*:*:*:*:*:*:*", "matchCriteriaId": "B3BB5EDB-520B-4DEF-B06E-65CA13152824", "vulnerable": false}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux:5:*:server:*:*:*:*:*", "matchCriteriaId": "5833A489-D6DE-4D51-9E74-189CBC2E28CA", "vulnerable": false}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_desktop:5:*:client:*:*:*:*:*", "matchCriteriaId": "AF3FB21C-AC0E-4F6C-B68A-9405E57ADCF0", "vulnerable": false}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_eus:5:*:*:*:*:*:*:*", "matchCriteriaId": "443CB3FD-014D-4C37-BB02-03DAA5A3F3C1", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A certain Red Hat modification to the ChrootDirectory feature in OpenSSH 4.8, as used in sshd in OpenSSH 4.3 in Red Hat Enterprise Linux (RHEL) 5.4 and Fedora 11, allows local users to gain privileges via hard links to setuid programs that use configuration files within the chroot directory, related to requirements for directory ownership."}, {"lang": "es", "value": "Ciertas modificaciones Ret Hat en ChrootDirectory feature en OpenSSH v4.8, como el usado en sshd en OpenSSH v4.3 en Red Hat Enterprise Linux (RHEL) v5.4 y Fedora v11, permite a usuarios locales obtener privilegios a trav\u00e9s de enlaces fuertes en programas setuid que usa una configuraci\u00f3n de ficheros con el chroot directory, relacionado con requerimientos para el propietario."}], "id": "CVE-2009-2904", "lastModified": "2026-06-16T23:10:28.297", "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": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2009-10-01T15:30:00.233", "references": [{"source": "secalert@redhat.com", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2010-March/038214.html"}, {"source": "secalert@redhat.com", "url": "http://lists.vmware.com/pipermail/security-announce/2010/000082.html"}, {"source": 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"af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://rhn.redhat.com/errata/RHSA-2009-1470.html"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-16"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2009:1470", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "openssh-0:4.3p2-36.el5_4.2", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2009-09-30T00:00:00Z"}], "bugzilla": {"description": "openssh: possible privilege escalation when using ChrootDirectory setting", "id": "522141", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=522141"}, "csaw": false, "cvss": {"cvss_base_score": "6.2", "cvss_scoring_vector": "AV:L/AC:H/Au:N/C:C/I:C/A:C", "status": "verified"}, "details": ["A certain Red Hat modification to the ChrootDirectory feature in OpenSSH 4.8, as used in sshd in OpenSSH 4.3 in Red Hat Enterprise Linux (RHEL) 5.4 and Fedora 11, allows local users to gain privileges via hard links to setuid programs that use configuration files within the chroot directory, related to requirements for directory ownership."], "name": "CVE-2009-2904", "public_date": "2009-09-30T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2009-2904\nhttps://nvd.nist.gov/vuln/detail/CVE-2009-2904"], "threat_severity": "Moderate"}

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