Denial of service in Argo CD repo server

1) Resource exhaustion

EUVDB-ID: #VU89009

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

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 - 2.10.4

External links

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