CVE-2007-1856

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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:o:gentoo:linux:*:*:*:*:*:*:*:*", "matchCriteriaId": "647BA336-5538-4972-9271-383A0EC9378E", "vulnerable": false}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:a:paul_vixie:vixie_cron:*:*:*:*:*:*:*:*", "matchCriteriaId": "FA725861-F942-40C3-8409-018FA7C25C4F", "versionEndIncluding": "4.1", "vulnerable": true}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Vixie Cron before 4.1-r10 on Gentoo Linux is installed with insecure permissions, which allows local users to cause a denial of service (cron failure) by creating hard links, which results in a failed st_nlink check in database.c."}, {"lang": "es", "value": "Vixie Cron anterior a 4.1-r10 en Gentoo Linux es instalado con permisos inseguros, lo cual permite a usuarios locales provocar una denegaci\u00f3n de servicio (fallo de cron) creando enlaces duros (hard links), lo cual resulta en el fallo de la comprobaci\u00f3n st_nlink en database.c."}], "id": "CVE-2007-1856", "lastModified": "2026-06-16T22:38:25.973", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 2.1, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2007-04-18T03:19:00.000", "references": [{"source": "secalert@redhat.com", "url": 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{"affected_release": [{"advisory": "RHSA-2007:0345", "cpe": "cpe:/o:redhat:enterprise_linux:3", "package": "vixie-cron-0:4.1-19.EL3", "product_name": "Red Hat Enterprise Linux 3", "release_date": "2007-05-17T00:00:00Z"}, {"advisory": "RHSA-2007:0345", "cpe": "cpe:/o:redhat:enterprise_linux:4", "package": "vixie-cron-4:4.1-47.EL4", "product_name": "Red Hat Enterprise Linux 4", "release_date": "2007-05-17T00:00:00Z"}, {"advisory": "RHSA-2007:0345", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "vixie-cron-4:4.1-70.el5", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2007-05-17T00:00:00Z"}], "bugzilla": {"description": "crontab denial of service", "id": "235882", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=235882"}, "csaw": false, "details": ["Vixie Cron before 4.1-r10 on Gentoo Linux is installed with insecure permissions, which allows local users to cause a denial of service (cron failure) by creating hard links, which results in a failed st_nlink check in database.c."], "name": "CVE-2007-1856", "public_date": "2007-04-10T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2007-1856\nhttps://nvd.nist.gov/vuln/detail/CVE-2007-1856"], "threat_severity": "Moderate"}

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