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CVE-2024-40634

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Date: July 22, 2024

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.

Language: Go

Severity Score

Related Resources (8)

https://github.com/argoproj/argo-cd/commit/46c0c0b64deaab1ece70cb701030b76668ad0cdc
https://github.com/argoproj/argo-cd/commit/540e3a57b90eb3655db54793332fac86bcc38b36
https://github.com/argoproj/argo-cd/commit/d881ee78949e23160a0b280bb159e4d3d625a4df
https://pkg.go.dev/vuln/GO-2024-3002
https://github.com/argoproj/argo-cd
https://nvd.nist.gov/vuln/detail/CVE-2024-40634
https://github.com/argoproj/argo-cd/security/advisories/GHSA-jmvp-698c-4x3w
https://www.mend.io/vulnerability-database/CVE-2024-40634

Severity Score

Weakness Type (CWE)

Uncontrolled Resource Consumption ('Resource Exhaustion')

CWE-400

Top Fix

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Upgrade Version

Upgrade to version github.com/argoproj/argo-cd-v2.9.20,v2.10.15,v2.11.6

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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