SB2021061703 - Credentials disclosure in Helm

Description

This security bulletin contains information about 1 vulnerability.

1) Information disclosure (CVE-ID: CVE-2021-32690)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

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

The vulnerability exists due to the way Helm retrieves chart archives from external URLs. When a username and password are associated with a Helm repository, the username and password are also passed on to other domains referenced in the index.yaml file while retrieving a specific chart archive on the other domain.

Remediation

Install update from vendor's website.

References

• https://github.com/helm/helm/releases/tag/v3.6.1
• https://github.com/helm/helm/security/advisories/GHSA-56hp-xqp3-w2jf