Path traversal in Helm

1) Path traversal

EUVDB-ID: #VU86548

Risk: Medium

CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-25620

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No

Description

The vulnerability allows a remote user to overwrite arbitrary files on the system.

The vulnerability exists due to input validation error when processing directory traversal sequences when saving charts at Chart.yaml. A remote user can send a specially crafted HTTP request and overwrite arbitrary files on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Helm: 3.0.0 - 3.14.0

External links

http://github.com/helm/helm/security/advisories/GHSA-v53g-5gjp-272r
http://github.com/helm/helm/commit/0d0f91d1ce277b2c8766cdc4c7aa04dbafbf2503

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.