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CVE-2017-1000256

Published: 31 October 2017

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.

Priority

Low

Cvss 3 Severity Score

8.1

Score breakdown

Status

Package Release Status
libvirt
Launchpad, Ubuntu, Debian
trusty Not vulnerable
(code not present)
upstream
Released (3.8.0-3)
artful
Released (3.6.0-1ubuntu6.3)
xenial Not vulnerable
(code not present)
zesty Ignored
(end of life)
Patches:
Introduced by

ce61c16450d4992612d1fc6f39a39e79bfccead5

Fixed by 441d3eb6d1be940a67ce45a286602a967601b157
upstream: https://libvirt.org/git/?p=libvirt.git;a=commit;h=441d3eb6d1be940a67ce45a286602a967601b157

Severity score breakdown

Parameter Value
Base score 8.1
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H