CVE-2018-14636

2018-09-1019:00:00

CWE-300

redhat

www.cve.org

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

5.2 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

38.4%

JSON

Live-migrated instances are briefly able to inspect traffic for other instances on the same hypervisor. This brief window could be extended indefinitely if the instance’s port is set administratively down prior to live-migration and kept down after the migration is complete. This is possible due to the Open vSwitch integration bridge being connected to the instance during migration. When connected to the integration bridge, all traffic for instances using the same Open vSwitch instance would potentially be visible to the migrated guest, as the required Open vSwitch VLAN filters are only applied post-migration. Versions of openstack-neutron before 13.0.0.0b2, 12.0.3, 11.0.5 are vulnerable.

CNA Affected

[
  {
    "product": "openstack-neutron",
    "vendor": "The Openstack Project",
    "versions": [
      {
        "status": "affected",
        "version": "13.0.0.0b2"
      },
      {
        "status": "affected",
        "version": "12.0.3"
      },
      {
        "status": "affected",
        "version": "11.0.5"
      }
    ]
  }
]