Privilege Escalation Affecting github.com/kubernetes/apimachinery/pkg/util/proxy package, versions <0.15.7>=1.7.6 <1.14.0-alpha.1


Severity

Recommended
0.0
critical
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Mature
EPSS
34.58% (98th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications

Snyk Learn

Learn about Privilege Escalation vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-GOLANG-GITHUBCOMKUBERNETESAPIMACHINERYPKGUTILPROXY-8145190
  • published2 Oct 2024
  • disclosed5 Dec 2018
  • creditJordan Liggitt

Introduced: 5 Dec 2018

CVE-2018-1002105  (opens in a new tab)
CWE-269  (opens in a new tab)

How to fix?

Upgrade github.com/kubernetes/apimachinery/pkg/util/proxy to version 0.15.7, 1.14.0-alpha.1 or higher.

Overview

github.com/kubernetes/apimachinery/pkg/util/proxy is a Package proxy provides transport and upgrade support for proxies.

Affected versions of this package are vulnerable to Privilege Escalation. 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.

CVSS Scores

version 3.1