CVE-2017-1000256

HIGH

libvirt 2.3.0-3.8.0 - Improper Certificate Validation via QEMU verify-peer=no Default

Title source: llm
STIX 2.1

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.

References (4)

Core 4
Core References
Issue Tracking, Vendor Advisory x_refsource_confirm
https://access.redhat.com/security/cve/CVE-2017-1000256
Issue Tracking, Vendor Advisory mailing-list x_refsource_mlist
https://www.redhat.com/archives/libvirt-announce/2017-October/msg00001.html
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2017/dsa-4003

Scores

CVSS v3 8.1
EPSS 0.0170
EPSS Percentile 74.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-295
Status published
Products (2)
debian/debian_linux 9.0
redhat/libvirt 2.3.0 - 3.9.0
Published Oct 31, 2017
Tracked Since Feb 18, 2026