Information disclosure in Helm package manager for Kubernetes

1) Information disclosure

EUVDB-ID: #VU28459

Risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-11013

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application in "lookup" function. A remote authenticated attacker can gain unauthorized access to sensitive information on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Helm: 3.1.0 - 3.1.3

CPE2.3

• cpe:2.3:a:the_helm_project:helm:3.1.0:*:*:*:*:*:*:*
• cpe:2.3:a:the_helm_project:helm:3.1.1:*:*:*:*:*:*:*
• cpe:2.3:a:the_helm_project:helm:3.1.2:*:*:*:*:*:*:*

External links

https://github.com/helm/helm/releases/tag/v3.2.0
https://github.com/helm/helm/security/advisories/GHSA-q8q8-93cv-v6h8

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.