CVE-2018-14636

Description

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 instances 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.

Risk Information

Base Score

5.3

MODERATE

Vector

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

EPSS Score

Exploitation Probability

0.214

Associated Vulnerability

Vulnerability	OS Platform
Vulnerabilities CVE-2018-14635,CVE-2018-14636 are fixed in Python-neutron 13.0.0.0b2	Windows
Vulnerabilities CVE-2018-14636 are fixed in Python-neutron 11.0.5	Windows
Vulnerabilities CVE-2018-14636 are fixed in Python-neutron 12.0.3	Windows
Vulnerabilities CVE-2018-14635,CVE-2018-14636 are fixed in Python-neutron for linux 13.0.0.0b2	Linux
Vulnerabilities CVE-2018-14636 are fixed in Python-neutron for linux 11.0.5	Linux
Vulnerabilities CVE-2018-14636 are fixed in Python-neutron for linux 12.0.3	Linux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234