{"document":{"aggregate_severity":{"namespace":"https://www.suse.com/support/security/rating/","text":"moderate"},"category":"csaf_vex","csaf_version":"2.0","distribution":{"text":"Copyright 2023 SUSE LLC. All rights reserved.","tlp":{"label":"WHITE","url":"https://www.first.org/tlp/"}},"lang":"en","notes":[{"category":"summary","text":"SUSE CVE-2018-16886","title":"Title"},{"category":"description","text":"etcd versions 3.2.x before 3.2.26 and 3.3.x before 3.3.11 are vulnerable to an improper authentication issue when role-based access control (RBAC) is used and client-cert-auth is enabled. If an etcd client server TLS certificate contains a Common Name (CN) which matches a valid RBAC username, a remote attacker may authenticate as that user with any valid (trusted) client certificate in a REST API request to the gRPC-gateway.","title":"Description of the CVE"},{"category":"legal_disclaimer","text":"CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).","title":"Terms of use"}],"publisher":{"category":"vendor","contact_details":"https://www.suse.com/support/security/contact/","name":"SUSE Product Security Team","namespace":"https://www.suse.com/"},"references":[{"category":"external","summary":"CVE-2018-16886","url":"https://www.suse.com/security/cve/CVE-2018-16886"},{"category":"external","summary":"SUSE Security Ratings","url":"https://www.suse.com/support/security/rating/"},{"category":"external","summary":"SUSE Bug 1121850 for CVE-2018-16886","url":"https://bugzilla.suse.com/1121850"},{"category":"external","summary":"Advisory link for SUSE-SU-2019:0330-1","url":"https://lists.suse.com/pipermail/sle-security-updates/2019-February/005103.html"}],"title":"SUSE CVE CVE-2018-16886","tracking":{"current_release_date":"2023-02-15T04:23:49Z","generator":{"date":"2023-02-15T04:23:49Z","engine":{"name":"cve-database.git:bin/generate-csaf-vex.pl","version":"1"}},"id":"CVE-2018-16886","initial_release_date":"2023-02-15T04:23:49Z","revision_history":[{"date":"2023-02-15T04:23:49Z","number":"2","summary":"Current version"}],"status":"interim","version":"2"}},"product_tree":{"branches":[{"branches":[{"branches":[{"category":"product_name","name":"Magnum Orchestration 7","product":{"name":"Magnum Orchestration 7","product_id":"Magnum Orchestration 7","product_identification_helper":{"cpe":"cpe:/o:suse:openstack-cloud-magnum-orchestration:7"}}},{"category":"product_name","name":"SUSE CaaS Platform 3.0","product":{"name":"SUSE CaaS Platform 3.0","product_id":"SUSE CaaS Platform 3.0","product_identification_helper":{"cpe":"cpe:/o:suse:caasp:3.0"}}},{"category":"product_name","name":"SUSE Container as a Service Platform 2.0","product":{"name":"SUSE Container as a Service Platform 2.0","product_id":"SUSE Container as a Service Platform 2.0","product_identification_helper":{"cpe":"cpe:/o:suse:caasp:2.0"}}},{"category":"product_name","name":"openSUSE Tumbleweed","product":{"name":"openSUSE Tumbleweed","product_id":"openSUSE Tumbleweed","product_identification_helper":{"cpe":"cpe:/o:opensuse:tumbleweed"}}},{"category":"product_version","name":"etcd","product":{"name":"etcd","product_id":"etcd","product_identification_helper":{"cpe":"cpe:2.3:a:etcd:etcd:*:*:*:*:*:*:*:*"}}},{"category":"product_version","name":"etcd-3.3.11-3.6.1","product":{"name":"etcd-3.3.11-3.6.1","product_id":"etcd-3.3.11-3.6.1","product_identification_helper":{"cpe":"cpe:2.3:a:etcd:etcd:3.3.11:*:*:*:*:*:*:*"}}},{"category":"product_version","name":"etcd-3.4.16-3.1","product":{"name":"etcd-3.4.16-3.1","product_id":"etcd-3.4.16-3.1","product_identification_helper":{"cpe":"cpe:2.3:a:etcd:etcd:3.4.16:*:*:*:*:*:*:*"}}},{"category":"product_version","name":"etcdctl-3.3.11-3.6.1","product":{"name":"etcdctl-3.3.11-3.6.1","product_id":"etcdctl-3.3.11-3.6.1"}},{"category":"product_version","name":"etcdctl-3.4.16-3.1","product":{"name":"etcdctl-3.4.16-3.1","product_id":"etcdctl-3.4.16-3.1"}}],"category":"product_family","name":"SUSE Linux Enterprise"}],"category":"vendor","name":"SUSE"}],"relationships":[{"category":"default_component_of","full_product_name":{"name":"etcd-3.3.11-3.6.1 as component of SUSE CaaS Platform 3.0","product_id":"SUSE CaaS Platform 3.0:etcd-3.3.11-3.6.1"},"product_reference":"etcd-3.3.11-3.6.1","relates_to_product_reference":"SUSE CaaS Platform 3.0"},{"category":"default_component_of","full_product_name":{"name":"etcdctl-3.3.11-3.6.1 as component of SUSE CaaS Platform 3.0","product_id":"SUSE CaaS Platform 3.0:etcdctl-3.3.11-3.6.1"},"product_reference":"etcdctl-3.3.11-3.6.1","relates_to_product_reference":"SUSE CaaS Platform 3.0"},{"category":"default_component_of","full_product_name":{"name":"etcd-3.4.16-3.1 as component of openSUSE Tumbleweed","product_id":"openSUSE Tumbleweed:etcd-3.4.16-3.1"},"product_reference":"etcd-3.4.16-3.1","relates_to_product_reference":"openSUSE Tumbleweed"},{"category":"default_component_of","full_product_name":{"name":"etcdctl-3.4.16-3.1 as component of openSUSE Tumbleweed","product_id":"openSUSE Tumbleweed:etcdctl-3.4.16-3.1"},"product_reference":"etcdctl-3.4.16-3.1","relates_to_product_reference":"openSUSE Tumbleweed"},{"category":"default_component_of","full_product_name":{"name":"etcd as component of Magnum Orchestration 7","product_id":"Magnum Orchestration 7:etcd"},"product_reference":"etcd","relates_to_product_reference":"Magnum Orchestration 7"},{"category":"default_component_of","full_product_name":{"name":"etcd as component of SUSE Container as a Service Platform 2.0","product_id":"SUSE Container as a Service Platform 2.0:etcd"},"product_reference":"etcd","relates_to_product_reference":"SUSE Container as a Service Platform 2.0"}]},"vulnerabilities":[{"cve":"CVE-2018-16886","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2018-16886"}],"notes":[{"category":"general","text":"etcd versions 3.2.x before 3.2.26 and 3.3.x before 3.3.11 are vulnerable to an improper authentication issue when role-based access control (RBAC) is used and client-cert-auth is enabled. If an etcd client server TLS certificate contains a Common Name (CN) which matches a valid RBAC username, a remote attacker may authenticate as that user with any valid (trusted) client certificate in a REST API request to the gRPC-gateway.","title":"Vulnerability description"}],"product_status":{"fixed":["SUSE CaaS Platform 3.0:etcd-3.3.11-3.6.1","SUSE CaaS Platform 3.0:etcdctl-3.3.11-3.6.1","openSUSE Tumbleweed:etcd-3.4.16-3.1","openSUSE Tumbleweed:etcdctl-3.4.16-3.1"],"known not affected":["Magnum Orchestration 7:etcd","SUSE Container as a Service Platform 2.0:etcd"]},"references":[{"category":"external","summary":"CVE-2018-16886","url":"https://www.suse.com/security/cve/CVE-2018-16886"},{"category":"external","summary":"SUSE Security Ratings","url":"https://www.suse.com/support/security/rating/"},{"category":"external","summary":"SUSE Bug 1121850 for CVE-2018-16886","url":"https://bugzilla.suse.com/1121850"},{"category":"external","summary":"Advisory link for SUSE-SU-2019:0330-1","url":"https://lists.suse.com/pipermail/sle-security-updates/2019-February/005103.html"}],"remediations":[{"category":"vendor_fix","details":"To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n","product_ids":["SUSE CaaS Platform 3.0:etcd-3.3.11-3.6.1","SUSE CaaS Platform 3.0:etcdctl-3.3.11-3.6.1","openSUSE Tumbleweed:etcd-3.4.16-3.1","openSUSE Tumbleweed:etcdctl-3.4.16-3.1"]}],"scores":[{"cvss_v3":{"baseScore":6.8,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","version":"3.0"},"products":["SUSE CaaS Platform 3.0:etcd-3.3.11-3.6.1","SUSE CaaS Platform 3.0:etcdctl-3.3.11-3.6.1","openSUSE Tumbleweed:etcd-3.4.16-3.1","openSUSE Tumbleweed:etcdctl-3.4.16-3.1"]}],"threats":[{"category":"impact","date":"2019-01-14T02:13:44Z","details":"moderate"}],"title":"CVE-2018-16886"}]}