CVE-2017-1000256

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    CVE-2017-1000256

    Published: 31 Oct 2017Last Modified: 8 Jul 2026

    Summary:

    Details: libvirt version 2.3.0 and later is vulnerable to a bad default configuration of "verify-peer=no" passed to QEMU by libvirt resulting in a failure to validate SSL/TLS certificates by default.

    References: https://www.mail-archive.com/debian-bugs-dist%40lists.debian.org/msg1556251.html, http://www.debian.org/security/2017/dsa-4003, https://access.redhat.com/security/cve/CVE-2017-1000256, https://www.redhat.com/archives/libvirt-announce/2017-October/msg00001.html

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- c3dfe808cf3dca9e27d407a6fbc9ba5f1b8ecbcb
    Fixed -6380fb9795cf921b96e1ad235a0cab78e318299d

    Affected versions

    v3.9.0-rc2
    v3.9.0-rc1

    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