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A local user could exploit this flaw to conduct a symbolic-link attack, allowing them to overwrite the contents of arbitrary files."},{"lang":"es","value":"Se ha encontrado un error en la versión 7.2.0 de instack-undercloud tal y como viene incorporado en Red Hat OpenStack Platform Pike; la versión 6.1.0 en Red Hat OpenStack Platform Oacta y la versión 5.3.0 en Red Hat OpenStack Newton, en donde los scripts de preinstalación y políticas de seguridad emplearon archivos temporales no seguros. Un usuario local podría explotar esta vulnerabilidad para llevar a cabo un ataque de enlace simbólico que les permita sobrescribir el contenido de archivos arbitrarios."}],"metrics":{"cvssMetricV30":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.0","vectorString":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N","baseScore":6.4,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":1.1,"impactScore":4.7}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:L/AC:M/Au:N/C:P/I:P/A:N","baseScore":3.3,"accessVector":"LOCAL","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"NONE"},"baseSeverity":"LOW","exploitabilityScore":3.4,"impactScore":4.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"secalert@redhat.com","type":"Secondary","description":[{"lang":"en","value":"CWE-377"}]},{"source":"nvd@nist.gov","type":"Secondary","description":[{"lang":"en","value":"CWE-59"}]}],"configurations":[{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:openstack:instack-undercloud:7.2.0:*:*:*:*:*:*:*","matchCriteriaId":"438CD7A3-3F93-4BC8-AE63-B61BD852D406"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:a:redhat:openstack:12:*:*:*:*:*:*:*","matchCriteriaId":"4D4AC996-B340-4A14-86F7-FF83B4D5EC8F"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:openstack:instack-undercloud:6.1.0:*:*:*:*:*:*:*","matchCriteriaId":"C766B188-526F-48FD-B9D0-9B6C7B6696C6"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:a:redhat:openstack:11:*:*:*:*:*:*:*","matchCriteriaId":"4E9AF77C-5D49-4842-9817-AD710A919073"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:openstack:instack-undercloud:5.3.0:*:*:*:*:*:*:*","matchCriteriaId":"8B62CC2D-0A0E-4E55-9215-83061A608926"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:a:redhat:openstack:10:*:*:*:*:*:*:*","matchCriteriaId":"E722FEF7-58A6-47AD-B1D0-DB0B71B0C7AA"}]}]}],"references":[{"url":"http://www.securityfocus.com/bid/100407","source":"secalert@redhat.com","tags":["Third Party Advisory","VDB Entry"]},{"url":"https://access.redhat.com/errata/RHSA-2017:2557","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2017:2649","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2017:2687","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2017:2693","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2017:2726","source":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1477403","source":"secalert@redhat.com","tags":["Issue Tracking","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/100407","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory","VDB Entry"]},{"url":"https://access.redhat.com/errata/RHSA-2017:2557","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://access.redhat.com/errata/RHSA-2017:2649","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://access.redhat.com/errata/RHSA-2017:2687","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://access.redhat.com/errata/RHSA-2017:2693","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://access.redhat.com/errata/RHSA-2017:2726","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1477403","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Issue Tracking","Vendor Advisory"]}]}}]}