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    CVE-2016-5008

    libvirt before 2.0.0 improperly disables password checking when the password on a VNC server is set to an empty string, which allows remote attackers to bypass authentication and establish a VNC session by connecting to the server.

    Published:Jan 18, 2015
    Last Modified:Apr 12, 2025
    EPS:Jul 13, 2016
    EPSS Score:0.02817
    CVSS Score:9.8

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Libvirt
    Vendor
    Redhat
    Product
    Storage

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-284 Improper Access Control

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    References

    http://lists.opensuse.org/opensuse-updates/2016-07/msg00054.html
    http://lists.opensuse.org/opensuse-updates/2016-07/msg00055.html
    http://lists.opensuse.org/opensuse-updates/2016-08/msg00024.html
    http://rhn.redhat.com/errata/RHSA-2016-2577.html
    http://security.libvirt.org/2016/0001.html
    http://www.debian.org/security/2016/dsa-3613
    http://www.securityfocus.com/bid/91562
    https://bugzilla.redhat.com/show_bug.cgi?id=1180092
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DZZMOMRXNPALA34XDF5NK363KDLAYSTL/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QTQF6LXKEEMJG4VOOCIAPJAD6ACBYP4W/
    https://usn.ubuntu.com/3576-1/
    http://lists.opensuse.org/opensuse-updates/2016-07/msg00054.html
    http://lists.opensuse.org/opensuse-updates/2016-07/msg00055.html
    http://lists.opensuse.org/opensuse-updates/2016-08/msg00024.html
    http://rhn.redhat.com/errata/RHSA-2016-2577.html
    http://security.libvirt.org/2016/0001.html
    http://www.debian.org/security/2016/dsa-3613
    http://www.securityfocus.com/bid/91562
    https://bugzilla.redhat.com/show_bug.cgi?id=1180092
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DZZMOMRXNPALA34XDF5NK363KDLAYSTL/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QTQF6LXKEEMJG4VOOCIAPJAD6ACBYP4W/
    https://usn.ubuntu.com/3576-1/

    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