CVE-2017-1000256

Publication date 31 October 2017

Last updated 25 August 2025

Ubuntu priority

Low

Why this priority?

Cvss 3 Severity Score

8.1 · High

Score breakdown

Description

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.

Status

Package Ubuntu Release Status
libvirt 17.10 artful
Fixed 3.6.0-1ubuntu6.3
17.04 zesty Ignored end of life
16.04 LTS xenial
Not affected
14.04 LTS trusty
Not affected

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
libvirt

Severity score breakdown

CVSS version: CVSS v3.0

Base score 8.1 · High

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-3576-1
    • libvirt vulnerabilities
    • 20 February 2018

Other references

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