Security Vulnerability in Argo CD Could Lead to Deployment Disruption
CVE-2024-40634

7.5HIGH

Key Information:

Vendor

Argoproj

Status
Argo-cd
Vendor
CVE Published:
22 July 2024

What is CVE-2024-40634?

Argo CD is a widely used GitOps continuous delivery tool for Kubernetes that has a vulnerability allowing unauthenticated attackers to exploit the /api/webhook endpoint. By sending a specifically crafted large JSON payload, the vulnerability causes excessive memory allocation, which can trigger an Out Of Memory (OOM) kill, resulting in a substantial risk to the availability of the Argo CD service. This issue highlights potential weaknesses in the application’s handling of inputs and requires immediate attention to mitigate risks. The vulnerability has been addressed in recent updates, specifically in versions 2.11.6, 2.10.15, and 2.9.20.

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Deploy the Patch

Affected Version(s)

argo-cd >= 1.0.0, < 2.9.20 < 1.0.0, 2.9.20

argo-cd >= 2.10.0, < 2.10.15 < 2.10.0, 2.10.15

argo-cd >= 2.11.0, < 2.11.6 < 2.11.0, 2.11.6

References

https://github.com/argoproj/argo-cd/security/advisories/G...
x_refsource_CONFIRM
https://github.com/argoproj/argo-cd/commit/46c0c0b64deaab...
x_refsource_MISC
https://github.com/argoproj/argo-cd/commit/540e3a57b90eb3...
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

JSON
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