CVE-2015-9235 Detail

Current 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).


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  9.8 CRITICAL
Vector:  CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H


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Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://auth0.com/blog/2015/03/31/critical-vulnerabilities-in-json-web-token-libraries/ Broken Link  Vendor Advisory 
https://github.com/auth0/node-jsonwebtoken/commit/1bb584bc382295eeb7ee8c4452a673a77a68b687 Patch  Third Party Advisory 
https://nodesecurity.io/advisories/17 Third Party Advisory 
https://www.timmclean.net/2015/02/25/jwt-alg-none.html Exploit  Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-327 Use of a Broken or Risky Cryptographic Algorithm cwe source acceptance level NIST  
CWE-20 Improper Input Validation Reference acceptance level HackerOne  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

3 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2015-9235
NVD Published Date:
05/29/2018
NVD Last Modified:
10/09/2019
Source:
HackerOne