Denial of service in Helm

1) Resource exhaustion

EUVDB-ID: #VU67945

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-2022-36055

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 incorrect resource management within the strvals package, responsible for converting strings into Go structures. A remote attacker can pass specially crafted input to the application and consume all available memory on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Helm: 3.0.0 - 3.9.3

CPE2.3

• cpe:2.3:a:the_helm_project:helm:3.0.0:*:*:*:*:*:*:*
• cpe:2.3:a:the_helm_project:helm:3.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:the_helm_project:helm:3.0.2:*:*:*:*:*:*:*

External links

https://github.com/helm/helm/releases/tag/v3.9.4
https://github.com/helm/helm/security/advisories/GHSA-7hfp-qfw3-5jxh

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.