{"id":"CVE-2017-7549","details":"A flaw was found in instack-undercloud 7.2.0 as packaged in Red Hat OpenStack Platform Pike, 6.1.0 as packaged in Red Hat OpenStack Platform Oacta, 5.3.0 as packaged in Red Hat OpenStack Newton, where pre-install and security policy scripts used insecure temporary files. A local user could exploit this flaw to conduct a symbolic-link attack, allowing them to overwrite the contents of arbitrary files.","aliases":["GHSA-53wm-97p6-582f","PYSEC-2017-152"],"modified":"2026-05-20T08:11:24.971620274Z","published":"2017-09-21T21:29:00.447Z","references":[{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/100407"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2017:2557"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2017:2649"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2017:2687"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2017:2693"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2017:2726"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1477403"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/openstack/instack-undercloud","events":[{"introduced":"0"},{"last_affected":"65e5dec70ef7d27b5a3f16803dac58500b480506"},{"introduced":"0"},{"last_affected":"6790ae8b3d17e6a7aea2a7bf854763486d30c2a1"},{"introduced":"0"},{"last_affected":"b3a7d23bfe5ad393400ac9a96ae66a628bdd43a7"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"7.2.0"},{"introduced":"0"},{"last_affected":"6.1.0"},{"introduced":"0"},{"last_affected":"5.3.0"}]}}],"versions":["1.0.10","1.0.11","1.0.12","1.0.13","1.0.14","1.0.15","1.0.16","1.0.18","1.0.19","1.0.20","1.0.21","1.0.22","1.0.23","1.0.24","1.0.25","1.0.26","1.0.27","1.0.28","1.0.29","1.0.30","1.0.31","1.0.32","1.0.33","1.0.6","1.0.7","1.0.8","1.0.9","2.0.0","2.1.0","2.1.1","2.1.2","3.0.0","4.0.0","5.0.0","5.0.0.0b1","5.0.0.0b2","5.0.0.0b3","5.0.0.0rc1","5.0.0.0rc2","5.0.0.0rc3","5.1.0","5.2.0","5.3.0","6.0.0","6.0.0.0b2","6.0.0.0rc1","6.0.0.0rc2","6.1.0","7.0.0","7.0.0.0b1","7.1.0","7.2.0","sprint4"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-7549.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N"}]}