CVE-2017-11429

HIGH

saml2-js < 2.0 - Authentication Bypass via SAML Signature Validation Flaw

Title source: llm
STIX 2.1

Description

Clever saml2-js 2.0 and earlier may incorrectly utilize the results of XML DOM traversal and canonicalization APIs in such a way that an attacker may be able to manipulate the SAML data without invalidating the cryptographic signature, allowing the attack to potentially bypass authentication to SAML service providers.

References (2)

Core 2
Core References
Third Party Advisory, US Government Resource x_refsource_misc
https://www.kb.cert.org/vuls/id/475445
Exploit, Technical Description, Third Party Advisory x_refsource_misc
https://duo.com/blog/duo-finds-saml-vulnerabilities-affecting-multiple-implementations

Scores

CVSS v3 7.7
EPSS 0.0242
EPSS Percentile 82.1%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

Details

CWE
CWE-287
Status published
Products (2)
clever/saml2-js < 2.0
npm/saml2-js 0 - 1.12.4npm
Published Apr 17, 2019
Tracked Since Feb 18, 2026