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.

CVSS v3.0 8.1 HIGH
CVSS v2.0 6.8 MEDIUM

8.1^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 2.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://www.redhat.com/archives/libvirt-announce/2017-October/msg00001.html	Issue Tracking Vendor Advisory
https://www.mail-archive.com/debian-bugs-dist@lists.debian.org/msg1556251.html	Issue Tracking Mailing List Third Party Advisory
https://access.redhat.com/security/cve/CVE-2017-1000256	Issue Tracking Vendor Advisory
http://www.debian.org/security/2017/dsa-4003	Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:redhat:libvirt:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

Information

Published : 2017-10-31 08:29

Updated : 2020-11-16 12:21

NVD link : CVE-2017-1000256

Mitre link : CVE-2017-1000256

JSON object : View

CWE

CWE-295

Improper Certificate Validation

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Products Affected

debian

debian_linux

redhat

libvirt

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