Description

In jsonwebtoken node module before 4.2.2 it is possible for an attacker to bypass verification when a token digitally signed with an asymmetric key (RS/ES family) of algorithms but instead the attacker send a token digitally signed with a symmetric algorithm (HS* family).

Remediation

References

https://auth0.com/blog/2015/03/31/critical-vulnerabilities-in-json-web-token-libraries/

https://github.com/auth0/node-jsonwebtoken/commit/1bb584bc382295eeb7ee8c4452a673a77a68b687

https://nodesecurity.io/advisories/17

https://www.timmclean.net/2015/02/25/jwt-alg-none.html

Related Vulnerabilities

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CVE-2023-29520 Vulnerability in maven package org.xwiki.platform:xwiki-platform-localization-source-wiki

CVE-2018-10237 Vulnerability in maven package com.google.guava:guava

CVE-2017-3156 Vulnerability in maven package org.apache.cxf:cxf-rt-rs-security-oauth2

Severity

Critical

Classification

CWE-327 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Tags

Broken Link Vendor Advisory Patch Third Party Advisory Exploit