Vulnerability identifier: #VU94676

Vulnerability risk: Medium

CVSSv3.1: 6.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2024-40634

CWE-ID: CWE-400

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Argo CD
Web applications / Modules and components for CMS

Vendor: Argo

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources within the /api/webhook endpoint. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Argo CD: 2.9.0 - 2.9.19, 2.11.0 - 2.11.5, 2.10.0 - 2.10.14, 2.8.0 - 2.8.20, 2.7.0 - 2.7.113, 2.6.0 - 2.6.15, 2.5.0 - 2.5.22, 2.4.0 - 2.4.28, 2.3.0 - 2.3.17, 2.2.0 - 2.2.16, 2.1.0 - 2.1.16, 2.0.0 - 2.0.5, 1.8.0 - 1.8.7, 1.7.0 - 1.7.14, 1.6.0 - 1.6.2, 1.5.0 - 1.5.8, 1.4.0 - 1.4.3, 1.3.0 - 1.3.6, 1.2.0 - 1.2.5, 1.1.0 - 1.1.2, 1.0.0 - 1.0.2, 0.12.0 rc1 - 0.12.0 rc6, 0.11.0 rc1 - 0.11.0 rc6, 0.4.0 alpha1, v2.7.14, v2.8.7, v2.9.3

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External links
http://github.com/argoproj/argo-cd/security/advisories/GHSA-jmvp-698c-4x3w
http://github.com/argoproj/argo-cd/commit/46c0c0b64deaab1ece70cb701030b76668ad0cdc
http://github.com/argoproj/argo-cd/commit/540e3a57b90eb3655db54793332fac86bcc38b36
http://github.com/argoproj/argo-cd/commit/d881ee78949e23160a0b280bb159e4d3d625a4df

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.