In etcd before versions 3.3.23 and 3.4.10, certain directory paths are created (etcd data directory and the directory path when provided to automatically generate self-signed certificates for TLS connections with clients) with restricted access permissions (700) by using the os.MkdirAll. This function does not perform any permission checks when a given directory path exists already. A possible workaround is to ensure the directories have the desired permission (700).
{ "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro", "ubuntu_priority": "medium", "binaries": [ { "etcd-server-dbgsym": "3.2.17+dfsg-1ubuntu0.1+esm1", "golang-etcd-server-dev": "3.2.17+dfsg-1ubuntu0.1+esm1", "etcd": "3.2.17+dfsg-1ubuntu0.1+esm1", "etcd-client-dbgsym": "3.2.17+dfsg-1ubuntu0.1+esm1", "etcd-server": "3.2.17+dfsg-1ubuntu0.1+esm1", "etcd-client": "3.2.17+dfsg-1ubuntu0.1+esm1" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "etcd-server-dbgsym": "3.2.26+dfsg-6ubuntu0.1", "golang-etcd-server-dev": "3.2.26+dfsg-6ubuntu0.1", "etcd": "3.2.26+dfsg-6ubuntu0.1", "etcd-client-dbgsym": "3.2.26+dfsg-6ubuntu0.1", "etcd-server": "3.2.26+dfsg-6ubuntu0.1", "etcd-client": "3.2.26+dfsg-6ubuntu0.1" } ] }