USN-2325-1

Alex Gaynor discovered that OpenStack Nova would sometimes respond with variable times when comparing authentication tokens. If nova were configured to proxy metadata requests via Neutron, a remote authenticated attacker could exploit this to conduct timing attacks and ascertain configuration details of another instance.

References

Affected packages

Ubuntu:14.04:LTS / nova

Package

Name: nova
Purl: pkg:deb/ubuntu/nova@1:2014.1.2-0ubuntu1.1?arch=source&distro=trusty

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1:2014.1.2-0ubuntu1.1

Affected versions

1:2013.*

1:2013.2~rc2-0ubuntu1

1:2013.2-0ubuntu1

1:2014.*

1:2014.1~b1-0ubuntu1

1:2014.1~b1-0ubuntu2

1:2014.1~b2-0ubuntu3

1:2014.1~b2-0ubuntu4

1:2014.1~b3-0ubuntu1

1:2014.1~b3-0ubuntu2

1:2014.1~rc1-0ubuntu1

1:2014.1~rc2-0ubuntu1

1:2014.1-0ubuntu1

1:2014.1-0ubuntu1.2

1:2014.1.1-0ubuntu1

1:2014.1.1-0ubuntu2

1:2014.1.2-0ubuntu1

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "1:2014.1.2-0ubuntu1.1",
            "binary_name": "nova-ajax-console-proxy"
        },
        {
            "binary_version": "1:2014.1.2-0ubuntu1.1",
            "binary_name": "nova-api"
        },
        {
            "binary_version": "1:2014.1.2-0ubuntu1.1",
            "binary_name": "nova-api-ec2"
        },
        {
            "binary_version": "1:2014.1.2-0ubuntu1.1",
            "binary_name": "nova-api-metadata"
        },
        {
            "binary_version": "1:2014.1.2-0ubuntu1.1",
            "binary_name": "nova-api-os-compute"
        },
        {
            "binary_version": "1:2014.1.2-0ubuntu1.1",
            "binary_name": "nova-api-os-volume"
        },
        {
            "binary_version": "1:2014.1.2-0ubuntu1.1",
            "binary_name": "nova-baremetal"
        },
        {
            "binary_version": "1:2014.1.2-0ubuntu1.1",
            "binary_name": "nova-cells"
        },
        {
            "binary_version": "1:2014.1.2-0ubuntu1.1",
            "binary_name": "nova-cert"
        },
        {
            "binary_version": "1:2014.1.2-0ubuntu1.1",
            "binary_name": "nova-common"
        },
        {
            "binary_version": "1:2014.1.2-0ubuntu1.1",
            "binary_name": "nova-compute"
        },
        {
            "binary_version": "1:2014.1.2-0ubuntu1.1",
            "binary_name": "nova-compute-kvm"
        },
        {
            "binary_version": "1:2014.1.2-0ubuntu1.1",
            "binary_name": "nova-compute-libvirt"
        },
        {
            "binary_version": "1:2014.1.2-0ubuntu1.1",
            "binary_name": "nova-compute-lxc"
        },
        {
            "binary_version": "1:2014.1.2-0ubuntu1.1",
            "binary_name": "nova-compute-qemu"
        },
        {
            "binary_version": "1:2014.1.2-0ubuntu1.1",
            "binary_name": "nova-compute-vmware"
        },
        {
            "binary_version": "1:2014.1.2-0ubuntu1.1",
            "binary_name": "nova-compute-xen"
        },
        {
            "binary_version": "1:2014.1.2-0ubuntu1.1",
            "binary_name": "nova-conductor"
        },
        {
            "binary_version": "1:2014.1.2-0ubuntu1.1",
            "binary_name": "nova-console"
        },
        {
            "binary_version": "1:2014.1.2-0ubuntu1.1",
            "binary_name": "nova-consoleauth"
        },
        {
            "binary_version": "1:2014.1.2-0ubuntu1.1",
            "binary_name": "nova-network"
        },
        {
            "binary_version": "1:2014.1.2-0ubuntu1.1",
            "binary_name": "nova-novncproxy"
        },
        {
            "binary_version": "1:2014.1.2-0ubuntu1.1",
            "binary_name": "nova-objectstore"
        },
        {
            "binary_version": "1:2014.1.2-0ubuntu1.1",
            "binary_name": "nova-scheduler"
        },
        {
            "binary_version": "1:2014.1.2-0ubuntu1.1",
            "binary_name": "nova-spiceproxy"
        },
        {
            "binary_version": "1:2014.1.2-0ubuntu1.1",
            "binary_name": "nova-volume"
        },
        {
            "binary_version": "1:2014.1.2-0ubuntu1.1",
            "binary_name": "nova-xvpvncproxy"
        },
        {
            "binary_version": "1:2014.1.2-0ubuntu1.1",
            "binary_name": "python-nova"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:14.04:LTS",
    "cves": [
        {
            "severity": [
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2014-3517"
        }
    ]
}