Donny Davis discovered that the Nova Compute service could return configuration or other information in response to a failed API request in some situations. A remote attacker could use this to expose sensitive information.
{
"availability": "No subscription required",
"binaries": [
{
"binary_version": "2:13.1.4-0ubuntu4.5",
"binary_name": "nova-ajax-console-proxy"
},
{
"binary_version": "2:13.1.4-0ubuntu4.5",
"binary_name": "nova-api"
},
{
"binary_version": "2:13.1.4-0ubuntu4.5",
"binary_name": "nova-api-metadata"
},
{
"binary_version": "2:13.1.4-0ubuntu4.5",
"binary_name": "nova-api-os-compute"
},
{
"binary_version": "2:13.1.4-0ubuntu4.5",
"binary_name": "nova-api-os-volume"
},
{
"binary_version": "2:13.1.4-0ubuntu4.5",
"binary_name": "nova-cells"
},
{
"binary_version": "2:13.1.4-0ubuntu4.5",
"binary_name": "nova-cert"
},
{
"binary_version": "2:13.1.4-0ubuntu4.5",
"binary_name": "nova-common"
},
{
"binary_version": "2:13.1.4-0ubuntu4.5",
"binary_name": "nova-compute"
},
{
"binary_version": "2:13.1.4-0ubuntu4.5",
"binary_name": "nova-compute-kvm"
},
{
"binary_version": "2:13.1.4-0ubuntu4.5",
"binary_name": "nova-compute-libvirt"
},
{
"binary_version": "2:13.1.4-0ubuntu4.5",
"binary_name": "nova-compute-lxc"
},
{
"binary_version": "2:13.1.4-0ubuntu4.5",
"binary_name": "nova-compute-qemu"
},
{
"binary_version": "2:13.1.4-0ubuntu4.5",
"binary_name": "nova-compute-vmware"
},
{
"binary_version": "2:13.1.4-0ubuntu4.5",
"binary_name": "nova-compute-xen"
},
{
"binary_version": "2:13.1.4-0ubuntu4.5",
"binary_name": "nova-conductor"
},
{
"binary_version": "2:13.1.4-0ubuntu4.5",
"binary_name": "nova-console"
},
{
"binary_version": "2:13.1.4-0ubuntu4.5",
"binary_name": "nova-consoleauth"
},
{
"binary_version": "2:13.1.4-0ubuntu4.5",
"binary_name": "nova-network"
},
{
"binary_version": "2:13.1.4-0ubuntu4.5",
"binary_name": "nova-novncproxy"
},
{
"binary_version": "2:13.1.4-0ubuntu4.5",
"binary_name": "nova-scheduler"
},
{
"binary_version": "2:13.1.4-0ubuntu4.5",
"binary_name": "nova-serialproxy"
},
{
"binary_version": "2:13.1.4-0ubuntu4.5",
"binary_name": "nova-spiceproxy"
},
{
"binary_version": "2:13.1.4-0ubuntu4.5",
"binary_name": "nova-volume"
},
{
"binary_version": "2:13.1.4-0ubuntu4.5",
"binary_name": "nova-xvpvncproxy"
},
{
"binary_version": "2:13.1.4-0ubuntu4.5",
"binary_name": "python-nova"
}
]
}
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4104-1.json"
{
"cves": [
{
"id": "CVE-2019-14433",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
}
],
"ecosystem": "Ubuntu:16.04:LTS"
}
{
"availability": "No subscription required",
"binaries": [
{
"binary_version": "2:17.0.10-0ubuntu2.1",
"binary_name": "nova-ajax-console-proxy"
},
{
"binary_version": "2:17.0.10-0ubuntu2.1",
"binary_name": "nova-api"
},
{
"binary_version": "2:17.0.10-0ubuntu2.1",
"binary_name": "nova-api-metadata"
},
{
"binary_version": "2:17.0.10-0ubuntu2.1",
"binary_name": "nova-api-os-compute"
},
{
"binary_version": "2:17.0.10-0ubuntu2.1",
"binary_name": "nova-api-os-volume"
},
{
"binary_version": "2:17.0.10-0ubuntu2.1",
"binary_name": "nova-cells"
},
{
"binary_version": "2:17.0.10-0ubuntu2.1",
"binary_name": "nova-common"
},
{
"binary_version": "2:17.0.10-0ubuntu2.1",
"binary_name": "nova-compute"
},
{
"binary_version": "2:17.0.10-0ubuntu2.1",
"binary_name": "nova-compute-kvm"
},
{
"binary_version": "2:17.0.10-0ubuntu2.1",
"binary_name": "nova-compute-libvirt"
},
{
"binary_version": "2:17.0.10-0ubuntu2.1",
"binary_name": "nova-compute-lxc"
},
{
"binary_version": "2:17.0.10-0ubuntu2.1",
"binary_name": "nova-compute-qemu"
},
{
"binary_version": "2:17.0.10-0ubuntu2.1",
"binary_name": "nova-compute-vmware"
},
{
"binary_version": "2:17.0.10-0ubuntu2.1",
"binary_name": "nova-compute-xen"
},
{
"binary_version": "2:17.0.10-0ubuntu2.1",
"binary_name": "nova-conductor"
},
{
"binary_version": "2:17.0.10-0ubuntu2.1",
"binary_name": "nova-console"
},
{
"binary_version": "2:17.0.10-0ubuntu2.1",
"binary_name": "nova-consoleauth"
},
{
"binary_version": "2:17.0.10-0ubuntu2.1",
"binary_name": "nova-network"
},
{
"binary_version": "2:17.0.10-0ubuntu2.1",
"binary_name": "nova-novncproxy"
},
{
"binary_version": "2:17.0.10-0ubuntu2.1",
"binary_name": "nova-placement-api"
},
{
"binary_version": "2:17.0.10-0ubuntu2.1",
"binary_name": "nova-scheduler"
},
{
"binary_version": "2:17.0.10-0ubuntu2.1",
"binary_name": "nova-serialproxy"
},
{
"binary_version": "2:17.0.10-0ubuntu2.1",
"binary_name": "nova-spiceproxy"
},
{
"binary_version": "2:17.0.10-0ubuntu2.1",
"binary_name": "nova-volume"
},
{
"binary_version": "2:17.0.10-0ubuntu2.1",
"binary_name": "nova-xvpvncproxy"
},
{
"binary_version": "2:17.0.10-0ubuntu2.1",
"binary_name": "python-nova"
}
]
}
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4104-1.json"
{
"cves": [
{
"id": "CVE-2019-14433",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
}
],
"ecosystem": "Ubuntu:18.04:LTS"
}