#VU70618 Input validation error in Helm - CVE-2022-23526

Vulnerability identifier: #VU70618

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-23526

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Helm
Web applications / CMS

Vendor: The Helm Project

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in the chartutil package. A remote attacker can pass specially crafted JSON Schema validation file to the application and perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Helm: 3.0.0 - 3.10.2

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External links
http://github.com/helm/helm/security/advisories/GHSA-67fx-wx78-jx33
http://github.com/helm/helm/commit/bafafa8bb1b571b61d7a9528da8d40c307dade3d

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.