Overly permissive cross-domain whitelist in helm

1) Overly permissive cross-domain whitelist

EUVDB-ID: #VU66447

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-1996

CWE-ID: CWE-942 - Overly Permissive Cross-domain Whitelist

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass the CORS protection mechanism.

The vulnerability exists due to incorrect processing of the "Origin" HTTP header that is supplied within HTTP request. A remote attacker can supply arbitrary value via the "Origin" HTTP header, bypass implemented CORS protection mechanism and perform cross-site scripting attacks against the vulnerable application.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Helm: 3.9.0 - 3.9.2

CPE2.3

• cpe:2.3:a:the_helm_project:helm:3.9.0:*:*:*:*:*:*:*
• cpe:2.3:a:the_helm_project:helm:3.9.1:*:*:*:*:*:*:*
• cpe:2.3:a:the_helm_project:helm:3.9.2:*:*:*:*:*:*:*

External links

https://github.com/helm/helm/releases/tag/v3.9.3

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.