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Vulnerability · Published Jul 22, 2024 · Assigned by GitHub_M

CVE-2024-40634Argo CD Unauthenticated Denial of Service (DoS) Vulnerability via /api/webhook Endpoint

High 7.5

In plain English

A high-severity uncontrolled resource consumption in argo-cd from argoproj. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 72% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)1.4%top 27.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

Argo CD is a declarative, GitOps continuous delivery tool for Kubernetes. This report details a security vulnerability in Argo CD, where an unauthenticated attacker can send a specially crafted large JSON payload to the /api/webhook endpoint, causing excessive memory allocation that leads to service disruption by triggering an Out Of Memory (OOM) kill. The issue poses a high risk to the availability of Argo CD deployments. This vulnerability is fixed in 2.11.6, 2.10.15, and 2.9.20.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Gogithub.com/argoproj/argo-cdno fix listedGHSA-jmvp-698c-4x3w
Gogithub.com/argoproj/argo-cdno fix listedGO-2024-3002
Gogithub.com/argoproj/argo-cd/v22.9.20GHSA-jmvp-698c-4x3w
Gogithub.com/argoproj/argo-cd/v22.10.15GHSA-jmvp-698c-4x3w
Gogithub.com/argoproj/argo-cd/v22.11.6GHSA-jmvp-698c-4x3w
Gogithub.com/argoproj/argo-cd/v22.10.15, 2.11.6, 2.9.20GO-2024-3002

Affected products (as reported)

VendorProductVersions
argoproj argo-cd >= 1.0.0, < 2.9.20>= 2.10.0, < 2.10.15>= 2.11.0, < 2.11.6

Weakness: CWE-400 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References