CVE-2017-2637 — CRITICAL (9.9)

Vulnerability Description

A design flaw issue was found in the Red Hat OpenStack Platform director use of TripleO to enable libvirtd based live-migration. Libvirtd is deployed by default (by director) listening on 0.0.0.0 (all interfaces) with no-authentication or encryption. Anyone able to make a TCP connection to any compute host IP address, including 127.0.0.1, other loopback interface addresses, or in some cases possibly addresses that have been exposed beyond the management interface, could use this to open a virsh session to the libvirtd instance and gain control of virtual machine instances or possibly take over the host.

CVSS Score

9.9

CRITICAL

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

LOW

Affected Products

Vendor	Product	Versions
Redhat	Openstack	7.0

Related Weaknesses (CWE)

CWE-306

References

http://www.securityfocus.com/bid/98576Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2017:1242Vendor Advisory
https://access.redhat.com/errata/RHSA-2017:1504Vendor Advisory
https://access.redhat.com/errata/RHSA-2017:1537Vendor Advisory
https://access.redhat.com/errata/RHSA-2017:1546Vendor Advisory
https://access.redhat.com/solutions/3022771MitigationVendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2637Issue TrackingMitigationVendor Advisory
https://wiki.openstack.org/wiki/OSSN/OSSN-0007Vendor Advisory
http://www.securityfocus.com/bid/98576Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2017:1242Vendor Advisory
https://access.redhat.com/errata/RHSA-2017:1504Vendor Advisory
https://access.redhat.com/errata/RHSA-2017:1537Vendor Advisory
https://access.redhat.com/errata/RHSA-2017:1546Vendor Advisory
https://access.redhat.com/solutions/3022771MitigationVendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2637Issue TrackingMitigationVendor Advisory

FAQ

What is CVE-2017-2637?

CVE-2017-2637 is a vulnerability with a CVSS score of 9.9 (CRITICAL). A design flaw issue was found in the Red Hat OpenStack Platform director use of TripleO to enable libvirtd based live-migration. Libvirtd is deployed by default (by director) listening on 0.0.0.0 (all...

How severe is CVE-2017-2637?

CVE-2017-2637 has been rated CRITICAL with a CVSS base score of 9.9/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2017-2637?

Check the references section above for vendor advisories and patch information. Affected products include: Redhat Openstack.