Path Traversal in Helm
CVE-2020-4053
In Helm greater than or equal to 3.0.0 and less than 3.2.4, a path traversal attack is possible when installing Helm plugins from a tar archive over HTTP. It is possible for a malicious plugin author to inject a relative path into a plugin archive, and copy a file outside of the intended directory. This has been fixed in 3.2.4.
Vulnerability class: Path Traversal (Directory Traversal)
EPSS: 0.015 (70.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N.
Affected products
- Helm
- The Helm Project — versions >= 3.0.0, < 3.2.4
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC, Release Notes)
Frequently asked questions
- What is CVE-2020-4053?
- CVE-2020-4053 is a low-severity vulnerability in Helm, classified under Path Traversal. CVSS score: 3.7/10. Published 2020-06-16.
- How severe is CVE-2020-4053?
- Low severity. CVSS v3 base score is 3.7 out of 10.