CVE-2020-8565: GO-2021-0064 - Unauthorized credential disclosure via debug logs in k8s.io/kubernetes and k8s.io/client-go

CVE-2020-8565 · Severity: low · CVSS 3.1 · Published 2021-04-14

Unauthorized credential disclosure via debug logs in k8s.io/kubernetes and k8s.io/client-go

Technologies: k8s.io/client-go (Go), k8s.io/kubernetes (Go). Vendors: Go.

Quick answers

Is CVE-2020-8565 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2020-8565 being exploited in the wild.
How severe is CVE-2020-8565?
Low severity, with a CVSS score of 3.1, published 14 April 2021.
Which products and versions are affected?
k8s.io/client-go (Go) SEMVER:introduced=0,fixed=0.20.0-alpha.2, SEMVER:introduced=0.19.0,fixed=0.19.6; k8s.io/kubernetes (Go) SEMVER:introduced=0,fixed=1.20.0-alpha.2.
Is there a fix for CVE-2020-8565?
Yes. k8s.io/client-go (Go): upgrade to 0.19.6, 0.20.0-alpha.2 or later; k8s.io/kubernetes (Go): upgrade to 1.20.0-alpha.2 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2020-8565?
Check whether you run k8s.io/client-go (Go) or k8s.io/kubernetes (Go) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • k8s.io/client-go (Go): upgrade to 0.19.6, 0.20.0-alpha.2 or later
    go get k8s.io/client-go@v0.20.0-alpha.2
  • k8s.io/kubernetes (Go): upgrade to 1.20.0-alpha.2 or later
    go get k8s.io/kubernetes@v1.20.0-alpha.2

Affected products

  • k8s.io/client-go (Go) SEMVER:introduced=0,fixed=0.20.0-alpha.2, SEMVER:introduced=0.19.0,fixed=0.19.6
  • k8s.io/kubernetes (Go) SEMVER:introduced=0,fixed=1.20.0-alpha.2

Identifiers

  • CVE-2020-8565
  • GHSA-8cfg-vx93-jvxw
  • GO-2021-0064

This page as Markdown. Free to reuse under CC BY 4.0 with a link back.