#VU50431 Code injection in Helm - CVE-2021-21303
Published: February 5, 2021 / Updated: February 9, 2021
Vulnerability identifier: #VU50431
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-21303
CWE-ID: CWE-74
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Helm
Helm
Software vendor:
The Helm Project
The Helm Project
Description
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to insufficient sanitization of user-supplied data passed via various files in index.yaml, plugin.yaml, and Chart.yaml files and via a SemVer in the version field. A remote attacker can pass specially crafted data to the application and execute arbitrary code on the system.
Remediation
Install updates from vendor's website.