#VU89006 Resource management error in Argo CD - CVE-2024-21661

Vulnerability identifier: #VU89006

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-21661

CWE-ID: CWE-399

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 improper management of internal resources within the application. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Argo CD: 2.0.0 rc1 - 2.0.5, 2.1.0 rc1 - 2.10.3, 2.2.0 rc1 - 2.2.16, 2.3.0 rc1 - 2.3.17, 2.4.0 rc1 - 2.4.28, 2.5.0 rc1 - 2.5.22, 2.6.0 rc1 - 2.6.15, 2.7.0 rc1 - 2.7.113, 2.8.0 rc1 - 2.8.12, 2.9.0 rc1 - 2.9.8

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External links
https://github.com/argoproj/argo-cd/security/advisories/GHSA-6v85-wr92-q4p7
https://github.com/argoproj/argo-cd/commit/2a22e19e06aaf6a1e734443043310a66c234e345
https://github.com/argoproj/argo-cd/commit/5bbb51ab423f273dda74ab956469843d2db2e208
https://github.com/argoproj/argo-cd/commit/ce04dc5c6f6e92033221ec6d96b74403b065ca8b
https://github.com/argoproj/argo-cd/blob/54601c8fd30b86a4c4b7eb449956264372c8bde0/util/session/sessionmanager.go#L302-L311

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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.