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).
{
"binaries": [
{
"binary_version": "3.2.26+dfsg-6ubuntu0.1",
"binary_name": "etcd"
},
{
"binary_version": "3.2.26+dfsg-6ubuntu0.1",
"binary_name": "etcd-client"
},
{
"binary_version": "3.2.26+dfsg-6ubuntu0.1",
"binary_name": "etcd-server"
},
{
"binary_version": "3.2.26+dfsg-6ubuntu0.1",
"binary_name": "golang-etcd-server-dev"
}
],
"availability": "No subscription required"
}{
"binaries": [
{
"binary_version": "3.2.17+dfsg-1ubuntu0.1~esm1",
"binary_name": "etcd"
},
{
"binary_version": "3.2.17+dfsg-1ubuntu0.1~esm1",
"binary_name": "etcd-client"
},
{
"binary_version": "3.2.17+dfsg-1ubuntu0.1~esm1",
"binary_name": "etcd-server"
},
{
"binary_version": "3.2.17+dfsg-1ubuntu0.1~esm1",
"binary_name": "golang-etcd-server-dev"
}
],
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}{
"binaries": [
{
"binary_version": "3.3.25+dfsg-7ubuntu0.22.04.2+esm2",
"binary_name": "etcd"
},
{
"binary_version": "3.3.25+dfsg-7ubuntu0.22.04.2+esm2",
"binary_name": "etcd-client"
},
{
"binary_version": "3.3.25+dfsg-7ubuntu0.22.04.2+esm2",
"binary_name": "etcd-server"
},
{
"binary_version": "3.3.25+dfsg-7ubuntu0.22.04.2+esm2",
"binary_name": "golang-etcd-server-dev"
}
]
}{
"binaries": [
{
"binary_version": "3.4.30-1ubuntu0.24.04.3+esm1",
"binary_name": "etcd-client"
},
{
"binary_version": "3.4.30-1ubuntu0.24.04.3+esm1",
"binary_name": "etcd-server"
},
{
"binary_version": "3.4.30-1ubuntu0.24.04.3+esm1",
"binary_name": "golang-etcd-server-dev"
}
]
}