#VU66447 Overly permissive cross-domain whitelist in go-restful - CVE-2022-1996

Vulnerability identifier: #VU66447

Vulnerability 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

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
go-restful
Web applications / JS libraries

Vendor: Ernest Micklei

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 updates from vendor's website.

Vulnerable software versions

go-restful: 1.0.0 - 3.7.4

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External links
https://huntr.dev/bounties/be837427-415c-4d8c-808b-62ce20aa84f1
https://github.com/emicklei/go-restful/commit/fd3c327a379ce08c68ef18765bdc925f5d9bad10
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OBDD3Q23RCGAGHIXUCWBU6N3S4RNAKXB/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/575BLJ3Y2EQBRNTFR2OSQQ6L2W6UCST3/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZY2SLWOQR4ZURQ7UBRZ7JIX6H6F5JHJR/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Z55VUVGO7E5PJFXIOVAY373NZRHBNCI5/

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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.