CVE-2017-7549

{"containers": {"cna": {"affected": [{"product": "instack-undercloud", "vendor": "Red Hat, Inc.", "versions": [{"status": "affected", "version": "Pike, 12: v7.2.0, Ocata, 11: v6.1.0, Newton, 10: v5.3.0"}]}], "datePublic": "2017-08-14T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "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."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-377", "description": "CWE-377", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2018-01-04T19:57:01.000Z", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"name": "RHSA-2017:2726", "tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "https://access.redhat.com/errata/RHSA-2017:2726"}, {"name": "100407", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/100407"}, {"name": "RHSA-2017:2649", "tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "https://access.redhat.com/errata/RHSA-2017:2649"}, {"name": "RHSA-2017:2687", "tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "https://access.redhat.com/errata/RHSA-2017:2687"}, {"name": "RHSA-2017:2557", "tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "https://access.redhat.com/errata/RHSA-2017:2557"}, {"name": "RHSA-2017:2693", "tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "https://access.redhat.com/errata/RHSA-2017:2693"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1477403"}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T16:04:12.059Z"}, "title": "CVE Program Container", "references": [{"name": "RHSA-2017:2726", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"], "url": "https://access.redhat.com/errata/RHSA-2017:2726"}, {"name": "100407", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/100407"}, {"name": "RHSA-2017:2649", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"], "url": "https://access.redhat.com/errata/RHSA-2017:2649"}, {"name": "RHSA-2017:2687", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"], "url": "https://access.redhat.com/errata/RHSA-2017:2687"}, {"name": "RHSA-2017:2557", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"], "url": "https://access.redhat.com/errata/RHSA-2017:2557"}, {"name": "RHSA-2017:2693", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"], "url": "https://access.redhat.com/errata/RHSA-2017:2693"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1477403"}]}]}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2017-7549", "dateReserved": "2017-04-05T00:00:00.000Z", "dateUpdated": "2024-08-05T16:04:12.059Z", "state": "PUBLISHED", "datePublished": "2017-09-21T20:00:00.000Z"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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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 versi\u00f3n 7.2.0 de instack-undercloud tal y como viene incorporado en Red Hat OpenStack Platform Pike; la versi\u00f3n 6.1.0 en Red Hat OpenStack Platform Oacta y la versi\u00f3n 5.3.0 en Red Hat OpenStack Newton, en donde los scripts de preinstalaci\u00f3n y pol\u00edticas de seguridad emplearon archivos temporales no seguros. Un usuario local podr\u00eda explotar esta vulnerabilidad para llevar a cabo un ataque de enlace simb\u00f3lico que les permita sobrescribir el contenido de archivos arbitrarios."}], "id": "CVE-2017-7549", "lastModified": "2026-06-17T01:24:35.360", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 3.3, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:M/Au:N/C:P/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 3.4, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 6.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N", "version": "3.0"}, "exploitabilityScore": 1.1, "impactScore": 4.7, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2017-09-21T21:29:00.447", "references": [{"source": "secalert@redhat.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/100407"}, {"source": "secalert@redhat.com", "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", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1477403"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/100407"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "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", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1477403"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-377"}], "source": "secalert@redhat.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-59"}], "source": "nvd@nist.gov", "type": "Secondary"}]}

{"acknowledgement": "This issue was discovered by Matthew Booth (Red Hat).", "affected_release": [{"advisory": "RHSA-2017:2693", "cpe": "cpe:/a:redhat:openstack-director:7::el7", "package": "instack-undercloud-0:2.1.2-41.el7ost", "product_name": "Red Hat Enterprise Linux OpenStack Platform director 7.0 for RHEL 7", "release_date": "2017-09-12T00:00:00Z"}, {"advisory": "RHSA-2017:2649", "cpe": "cpe:/a:redhat:openstack:10::el7", "package": "instack-undercloud-0:5.3.0-3.el7ost", "product_name": "Red Hat OpenStack Platform 10.0 (Newton)", "release_date": "2017-09-06T00:00:00Z"}, {"advisory": "RHSA-2017:2726", "cpe": "cpe:/a:redhat:openstack:11::el7", "package": "instack-undercloud-0:6.1.0-3.el7ost", "product_name": "Red Hat OpenStack Platform 11.0 (Ocata)", "release_date": "2017-09-13T00:00:00Z"}, {"advisory": "RHSA-2017:2687", "cpe": "cpe:/a:redhat:openstack-director:8::el7", "package": "instack-undercloud-0:2.2.7-10.el7ost", "product_name": "Red Hat OpenStack Platform 8.0 (Liberty) director", "release_date": "2017-09-12T00:00:00Z"}, {"advisory": "RHSA-2017:2557", "cpe": "cpe:/a:redhat:openstack-director:9::el7", "package": "instack-undercloud-0:4.0.0-17.el7ost", "product_name": "Red Hat OpenStack Platform 9.0 (Mitaka) director", "release_date": "2017-08-30T00:00:00Z"}], "bugzilla": {"description": "instack-undercloud: uses hardcoded /tmp paths", "id": "1477403", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1477403"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.1", "cvss3_scoring_vector": "CVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:L/A:N", "status": "verified"}, "cwe": "CWE-377", "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.", "A flaw was found in instack-undercloud 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."], "name": "CVE-2017-7549", "package_state": [{"cpe": "cpe:/a:redhat:openstack:6", "fix_state": "Will not fix", "package_name": "instack-undercloud", "product_name": "Red Hat Enterprise Linux OpenStack Platform 6 (Juno)"}, {"cpe": "cpe:/a:redhat:openstack:7", "fix_state": "Affected", "package_name": "instack-undercloud", "product_name": "Red Hat Enterprise Linux OpenStack Platform 7 (Kilo)"}, {"cpe": "cpe:/a:redhat:openstack:12", "fix_state": "Not affected", "package_name": "instack-undercloud", "product_name": "Red Hat OpenStack Platform 12 (Pike)"}, {"cpe": "cpe:/a:redhat:openstack:8", "fix_state": "Affected", "package_name": "instack-undercloud", "product_name": "Red Hat OpenStack Platform 8 (Liberty)"}, {"cpe": "cpe:/a:redhat:openstack:9", "fix_state": "Affected", "package_name": "instack-undercloud", "product_name": "Red Hat OpenStack Platform 9 (Mitaka)"}], "public_date": "2017-08-14T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2017-7549\nhttps://nvd.nist.gov/vuln/detail/CVE-2017-7549"], "threat_severity": "Moderate"}

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