Vulnerability · Published Sep 18, 2023 · Assigned by suse

CVE-2023-32187

High 7.5

In plain English

A high-severity resource allocation without limits in k3s from SUSE. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 54% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.7%top 45.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

An Allocation of Resources Without Limits or Throttling vulnerability in SUSE k3s allows attackers with access to K3s servers' apiserver/supervisor port (TCP 6443) cause denial of service. This issue affects k3s: from v1.24.0 before v1.24.17+k3s1, from v1.25.0 before v1.25.13+k3s1, from v1.26.0 before v1.26.8+k3s1, from sev1.27.0 before v1.27.5+k3s1, from v1.28.0 before v1.28.1+k3s1.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20k3s1.27.5.1-r0ALPINE-CVE-2023-32187
Alpine:v3.21k3s1.27.5.1-r0ALPINE-CVE-2023-32187
Alpine:v3.22k3s1.27.5.1-r0ALPINE-CVE-2023-32187
Alpine:v3.23k3s1.27.5.1-r0ALPINE-CVE-2023-32187
Alpine:v3.24k3s1.27.5.1-r0ALPINE-CVE-2023-32187
Gogithub.com/k3s-io/k3s1.24.17GHSA-m4hf-6vgr-75r2
Gogithub.com/k3s-io/k3s1.25.13GHSA-m4hf-6vgr-75r2
Gogithub.com/k3s-io/k3s1.26.8GHSA-m4hf-6vgr-75r2
Gogithub.com/k3s-io/k3s1.27.5GHSA-m4hf-6vgr-75r2
Gogithub.com/k3s-io/k3s1.28.1GHSA-m4hf-6vgr-75r2

Affected products (as reported)

VendorProductVersions
SUSE k3s v1.24.0 – before v1.24.17+k3s1v1.25.0 – before v1.25.13+k3s1v1.26.0 – before v1.26.8+k3s1sev1.27.0 – before v1.27.5+k3s1v1.28.0 – before v1.28.1+k3s1

Weakness: CWE-770 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References