Ubuntu 14.04 LTS : OpenStack Nova vulnerability (USN-2325-1)

high Nessus Plugin ID 77325

Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 14.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-2325-1 advisory.

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.

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://ubuntu.com/security/notices/USN-2325-1

Plugin Details

Severity: High

ID: 77325

File Name: ubuntu_USN-2325-1.nasl

Version: 1.10

Type: local

Agent: unix

Published: 8/22/2014

Updated: 8/27/2024

Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:N/A:N

CVSS Score Source: CVE-2014-3517

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:nova-common, p-cpe:/a:canonical:ubuntu_linux:nova-console, p-cpe:/a:canonical:ubuntu_linux:nova-objectstore, p-cpe:/a:canonical:ubuntu_linux:nova-network, p-cpe:/a:canonical:ubuntu_linux:nova-compute-lxc, p-cpe:/a:canonical:ubuntu_linux:nova-baremetal, p-cpe:/a:canonical:ubuntu_linux:nova-novncproxy, p-cpe:/a:canonical:ubuntu_linux:nova-xvpvncproxy, p-cpe:/a:canonical:ubuntu_linux:nova-compute-qemu, p-cpe:/a:canonical:ubuntu_linux:nova-compute-xen, p-cpe:/a:canonical:ubuntu_linux:nova-consoleauth, p-cpe:/a:canonical:ubuntu_linux:nova-api-os-volume, p-cpe:/a:canonical:ubuntu_linux:nova-compute-libvirt, p-cpe:/a:canonical:ubuntu_linux:nova-api, p-cpe:/a:canonical:ubuntu_linux:nova-ajax-console-proxy, cpe:/o:canonical:ubuntu_linux:14.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:nova-api-ec2, p-cpe:/a:canonical:ubuntu_linux:nova-cells, p-cpe:/a:canonical:ubuntu_linux:nova-compute, p-cpe:/a:canonical:ubuntu_linux:python-nova, p-cpe:/a:canonical:ubuntu_linux:nova-cert, p-cpe:/a:canonical:ubuntu_linux:nova-api-metadata, p-cpe:/a:canonical:ubuntu_linux:nova-scheduler, p-cpe:/a:canonical:ubuntu_linux:nova-compute-vmware, p-cpe:/a:canonical:ubuntu_linux:nova-volume, p-cpe:/a:canonical:ubuntu_linux:nova-api-os-compute, p-cpe:/a:canonical:ubuntu_linux:nova-conductor, p-cpe:/a:canonical:ubuntu_linux:nova-compute-kvm, p-cpe:/a:canonical:ubuntu_linux:nova-spiceproxy

Required KB Items: Host/cpu, Host/Ubuntu, Host/Ubuntu/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 8/21/2014

Vulnerability Publication Date: 8/7/2014

Reference Information

CVE: CVE-2014-3517

USN: 2325-1