CVE-2017-11430

HIGH

omniauth/omniauth_saml < 1.9.0 - Authentication Bypass via SAML Signature Validation Flaw

Title source: llm
STIX 2.1

Description

OmniAuth OmnitAuth-SAML 1.9.0 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
Exploit, Technical Description, Third Party Advisory x_refsource_misc
https://duo.com/blog/duo-finds-saml-vulnerabilities-affecting-multiple-implementations
Third Party Advisory, US Government Resource x_refsource_misc
https://www.kb.cert.org/vuls/id/475445

Scores

CVSS v3 7.7
EPSS 0.0044
EPSS Percentile 63.2%
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)
omniauth/omniauth_saml < 1.9.0
rubygems/omniauth-saml 0 - 1.10.0RubyGems
Published Apr 17, 2019
Tracked Since Feb 18, 2026