#VU29537 Path traversal in Helm - CVE-2020-4053
Published: July 6, 2020
Vulnerability identifier: #VU29537
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-4053
CWE-ID: CWE-22
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 perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences when installing Helm plugins from a tar archive over HTTP. A remote attacker can trick the victim to install a malicious plugin that can inject a relative path into a plugin archive, and copy a file outside of the intended directory.
Remediation
Install update from vendor's website.