#VU71181 Use of a broken or risky cryptographic algorithm in node-jsonwebtoken - CVE-2022-23541

Vulnerability identifier: #VU71181

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2022-23541

CWE-ID: CWE-327

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
node-jsonwebtoken
Web applications / JS libraries

Vendor: auth0 on WordPress

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to insecure implementation of key retrieval function. A remote user attacker can cause successful validation of forged tokens.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

node-jsonwebtoken: 8.0.0 - 8.5.1

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External links
https://github.com/auth0/node-jsonwebtoken/security/advisories/GHSA-hjrf-2m68-5959
https://github.com/auth0/node-jsonwebtoken/releases/tag/v9.0.0
https://github.com/auth0/node-jsonwebtoken/commit/e1fa9dcc12054a8681db4e6373da1b30cf7016e3

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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.