Denial of service in Helm

1) Use of uninitialized variable

EUVDB-ID: #VU88098

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-26147

CWE-ID: CWE-457 - Use of Uninitialized Variable

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to usage of an uninitialized variable when using the LoadIndexFile or DownloadIndexFile functions in the repo package or the LoadDir function in the plugin package. If index.yaml file or a plugins plugin.yaml file are missing in the repository, the application crashes.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Helm: 3.0.0 - 3.14.1

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/security/advisories/GHSA-r53h-jv2g-vpx6
https://github.com/helm/helm/commit/bb4cc9125503a923afb7988f3eb478722a8580af

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.