PYSEC-2017-21

    Dashboard / Vulnerabilities / PYSEC-2017-21

    PYSEC-2017-21

    Published: 12 Apr 2017Last Modified: 10 Jun 2026

    Summary:

    Details: OpenStack Nova-LXD before 13.1.1 uses the wrong name for the veth pairs when applying Neutron security group rules for instances, which allows remote attackers to bypass intended security restrictions.

    References: https://github.com/openstack/nova-lxd/commit/1b76cefb92081efa1e88cd8f330253f857028bd2, https://bugs.launchpad.net/nova-lxd/+bug/1656847, http://www.ubuntu.com/usn/USN-3195-1, http://www.securityfocus.com/bid/96182, http://www.openwall.com/lists/oss-security/2017/02/09/3, https://github.com/advisories/GHSA-6xc7-4cx8-j3xc

    Affected packages

    Package

    Name: nova-lxd

    Purl: pkg:pypi/nova-lxd

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -1b76cefb92081efa1e88cd8f330253f857028bd2

    Affected versions

    0.19.0

    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