Denial of service in Argo CD repo server

1) Resource exhaustion

EUVDB-ID: #VU89009

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-2024-29893

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

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. A remote attacker can crash the repo server component through an out of memory error by pointing it to a malicious Helm registry.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Argo CD: 2.4.0 rc1 - 2.10.4

CPE2.3

• cpe:2.3:a:argo:argo-cd:2.4.28:*:*:*:*:kubernetes:*:*
• cpe:2.3:a:argo:argo-cd:2.5.22:*:*:*:*:kubernetes:*:*
• cpe:2.3:a:argo:argo-cd:2.6.15:*:*:*:*:kubernetes:*:*
• cpe:2.3:a:argo:argo-cd:2.7.113:*:*:*:*:kubernetes:*:*
• cpe:2.3:a:argo:argo-cd:2.8.13:*:*:*:*:kubernetes:*:*
• cpe:2.3:a:argo:argo-cd:2.9.9:*:*:*:*:kubernetes:*:*
• cpe:2.3:a:argo:argo-cd:2.10.4:*:*:*:*:kubernetes:*:*

External links

https://github.com/argoproj/argo-cd/security/advisories/GHSA-jhwx-mhww-rgc3
https://github.com/argoproj/argo-cd/commit/14f681e3ee7c38731943b98f92277e88a3db109d
https://github.com/argoproj/argo-cd/commit/36b8a12a38f8d92d55bffc81deed44389bf6eb59
https://github.com/argoproj/argo-cd/commit/3e5a878f6e30d935fa149723ea2a2e93748fcddd

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.