Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2017-1000256

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.

Published

2017-10-31T15:29:00.240

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.1: 8.1 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

8.6

Impact Score

6.4

Weaknesses

Type: Primary
CWE-295

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	redhat	libvirt	< 3.9.0	Yes
Operating System	debian	debian_linux	9.0	Yes

References

http://www.debian.org/security/2017/dsa-4003 Third Party Advisory ([email protected])
https://access.redhat.com/security/cve/CVE-2017-1000256 Issue Tracking, Vendor Advisory ([email protected])
https://www.mail-archive.com/debian-bugs-dist%40lists.debian.org/msg1556251.html ([email protected])
https://www.redhat.com/archives/libvirt-announce/2017-October/msg00001.html Issue Tracking, Vendor Advisory ([email protected])
http://www.debian.org/security/2017/dsa-4003 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/security/cve/CVE-2017-1000256 Issue Tracking, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.mail-archive.com/debian-bugs-dist%40lists.debian.org/msg1556251.html (af854a3a-2127-422b-91ae-364da2661108)
https://www.redhat.com/archives/libvirt-announce/2017-October/msg00001.html Issue Tracking, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)