CVE-2017-1000256 Information

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.

CVSS Vector

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

Reference

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

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.1