National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2018-14635 Detail

Current Description

When using the Linux bridge ml2 driver, non-privileged tenants are able to create and attach ports without specifying an IP address, bypassing IP address validation. A potential denial of service could occur if an IP address, conflicting with existing guests or routers, is then assigned from outside of the allowed allocation pool. Versions of openstack-neutron before 13.0.0.0b2, 12.0.3 and 11.0.5 are vulnerable.

Source:  MITRE
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 6.5 MEDIUM
Vector: AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H (V3 legend)
Impact Score: 3.6
Exploitability Score: 2.8


Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 4.0 MEDIUM
Vector: (AV:N/AC:L/Au:S/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 8.0


Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): Single
Confidentiality (C): None
Integrity (I): None
Availability (A): Partial
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://access.redhat.com/errata/RHSA-2018:2710 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2715 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2721 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3792 Third Party Advisory
https://bugs.launchpad.net/neutron/+bug/1757482 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14635 Issue Tracking Patch Third Party Advisory
https://git.openstack.org/cgit/openstack/neutron/commit/?id=54aa6e81cb17b33ce4d5d469cc11dec2869c762d Patch Vendor Advisory

Technical Details

Vulnerability Type (View All)

  • Improper Input Validation (CWE-20)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:redhat:openstack:10.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:redhat:openstack:12.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:redhat:openstack:13.0:*:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 2 ( hide )
 cpe:2.3:a:openstack:neutron:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
11.0.0
Up to (including)
11.0.5
 cpe:2.3:a:openstack:neutron:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
12.0.0
Up to (including)
12.0.3
 cpe:2.3:a:openstack:neutron:13.0.0.0:b1:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

5 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-14635
NVD Published Date:
09/10/2018
NVD Last Modified:
03/12/2019