USN-2325-1

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    USN-2325-1

    Published: 21 Aug 2014Last Modified: 10 Feb 2026

    Summary: nova vulnerability

    Details: 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: https://ubuntu.com/security/notices/USN-2325-1, https://ubuntu.com/security/CVE-2014-3517

    Affected packages

    Package

    Name: nova

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1:2014.1.2-0ubuntu1.1

    Affected versions

    1:2013.2~rc2-0ubuntu1

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High