Helm up to 2.12.1 Archive File path traversal

Summaryinfo

A vulnerability marked as critical has been reported in Helm up to 2.12.1. This vulnerability affects unknown code. The manipulation as part of Archive File leads to path traversal. This vulnerability is listed as CVE-2019-1000008. The attack may be initiated remotely. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Helm up to 2.12.1. It has been rated as critical. This issue affects an unknown code. The manipulation as part of a Archive File leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

All versions of Helm between Helm >=2.0.0 and < 2.12.2 contains a CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in The commands `helm fetch --untar` and `helm lint some.tgz` that can result when chart archive files are unpacked a file may be unpacked outside of the target directory. This attack appears to be exploitable via a victim must run a helm command on a specially crafted chart archive. This vulnerability appears to have been fixed in 2.12.2.

The bug was discovered 01/14/2019. The weakness was presented 02/04/2019. The identification of this vulnerability is CVE-2019-1000008 since 02/04/2019. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 21 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 2.12.2 eliminates this vulnerability.

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Productinfo

Name

• Helm

Version

• 2.12.0
• 2.12.1

CPE 2.3info

• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍

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