#VU80556 Input validation error in Argo CD - CVE-2023-40584

Vulnerability identifier: #VU80556

Vulnerability risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-40584

CWE-ID: CWE-20

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 insufficient validation of user-supplied input in the ArgoCD repo-server component. A remote user can send a specially crafted tar.gz file and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Argo CD: 2.4.0 - 2.4.28, 2.5.0 - 2.5.22, 2.6.0 - 2.6.14, 2.7.0 - 2.7.113, 2.8.0 - 2.8.2

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External links
https://github.com/argoproj/argo-cd/commit/b8f92c4ff226346624f43de3f25d81dac6386674
https://github.com/argoproj/argo-cd/security/advisories/GHSA-g687-f2gx-6wm8

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.