Kubernetes proxy request handling vulnerability (CVE-2018-1002105)

critical Nessus Plugin ID 119677

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Synopsis

The remote Kubernetes server is affected by a proxy request handling vulnerability which enables an unauthorized attacker to send arbitrary requests.

Description

A remote, unauthenticated attacker may be able to leverage API calls to escalate privileges via proxy request handling vulnerability.

Note that a successful attack requires that an API extension server is directly accessible from the Kubernetes API server's network or that a cluster has granted pod exec, attach, port-forward permissions too loosely.

Solution

Upgrade to Kubernetes 1.10.11, 1.11.5, 1.12.3 or later.

Plugin Details

Severity: Critical

ID: 119677

File Name: kube_cve_2018_1002105.nasl

Version: 1.3

Type: remote

Family: CGI abuses

Published: 12/14/2018

Updated: 4/5/2019

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.9

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2018-1002105

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

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

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:google:kubernetes

Exploit Available: true

Exploit Ease: Exploits are available

Exploited by Nessus: true

Patch Publication Date: 11/26/2018

Vulnerability Publication Date: 11/26/2018

Reference Information

CVE: CVE-2018-1002105

BID: 106068

Detections

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