{"id":"UBUNTU-CVE-2023-2816","details":"Consul and Consul Enterprise allowed any user with service:write permissions to use Envoy extensions configured via service-defaults to patch remote proxy instances that target the configured service, regardless of whether the user has permission to modify the service(s) corresponding to those modified proxies.","modified":"2025-10-24T05:01:18Z","published":"2023-06-02T23:15:00Z","upstream":["CVE-2023-2816"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-2816"},{"type":"REPORT","url":"https://discuss.hashicorp.com/t/hcsec-2023-16-consul-envoy-extension-downstream-proxy-configuration-by-upstream-service-owner/54525"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2023-2816"}],"affected":[{"package":{"name":"consul","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/consul@0.6.4~dfsg-3?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.6.4~dfsg-3"],"ecosystem_specific":{"binaries":[{"binary_name":"consul","binary_version":"0.6.4~dfsg-3"},{"binary_name":"golang-github-hashicorp-consul-dev","binary_version":"0.6.4~dfsg-3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-2816.json"}},{"package":{"name":"consul","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/consul@1.5.2+dfsg2-14?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.7~dfsg1-5ubuntu1","1.4.4~dfsg1-2ubuntu2","1.5.2+dfsg1-6","1.5.2+dfsg1-10","1.5.2+dfsg1-12","1.5.2+dfsg2-14"],"ecosystem_specific":{"binaries":[{"binary_name":"consul","binary_version":"1.5.2+dfsg2-14"},{"binary_name":"golang-github-hashicorp-consul-dev","binary_version":"1.5.2+dfsg2-14"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-2816.json"}},{"package":{"name":"consul","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/consul@1.8.7+dfsg1-3?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.7.4+dfsg1-1","1.8.7+dfsg1-3"],"ecosystem_specific":{"binaries":[{"binary_name":"consul","binary_version":"1.8.7+dfsg1-3"},{"binary_name":"golang-github-hashicorp-consul-dev","binary_version":"1.8.7+dfsg1-3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-2816.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"},{"type":"Ubuntu","score":"medium"}]}