Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2018-1002105

Severity CVSS v4.0:
Pending analysis
Type:
CWE-388 Error Handling
Publication date:
05/12/2018
Last modified:
07/11/2023

Description

In all Kubernetes versions prior to v1.10.11, v1.11.5, and v1.12.3, incorrect handling of error responses to proxied upgrade requests in the kube-apiserver allowed specially crafted requests to establish a connection through the Kubernetes API server to backend servers, then send arbitrary requests over the same connection directly to the backend, authenticated with the Kubernetes API server's TLS credentials used to establish the backend connection.

Impact

Vector 3.x
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 9.80 CRITICAL
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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

Base Score 3.x
9.80
Severity 3.x
CRITICAL
Vector 2.0
AV:N/AC:L/Au:N/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0
7.50
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:* 1.0.0 (including) 1.9.11 (including)
cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:* 1.10.0 (including) 1.10.10 (including)
cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:* 1.11.0 (including) 1.11.4 (including)
cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:* 1.12.0 (including) 1.12.2 (including)
cpe:2.3:a:kubernetes:kubernetes:1.9.12:beta0:*:*:*:*:*:*
cpe:2.3:a:redhat:openshift_container_platform:3.2:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openshift_container_platform:3.3:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openshift_container_platform:3.4:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openshift_container_platform:3.5:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openshift_container_platform:3.6:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openshift_container_platform:3.8:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openshift_container_platform:3.10:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openshift_container_platform:3.11:*:*:*:*:*:*:*
cpe:2.3:a:netapp:trident:-:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools