CVE-2017-11428

HIGH7.7EPSS 0.37%

Ruby-SAML Improper Authentication vulnerability

Published: 7/5/2019Modified: 4/28/2026

Also known as:GHSA-x2fr-v8wf-8wwvDEBIAN-CVE-2017-11428

Description

OneLogin Ruby-SAML 1.6.0 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.

Affected packages (2)

Debian/ruby-samlfrom 0, < 1.7.2-1
RubyGems/ruby-samlfrom 0, < 1.7.0

CVSS scores

Source	Version	Severity	Vector
osv	CVSS 3.1	HIGH7.7	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

References (4)

ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2017-11428
ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2017-11428
WEBhttps://duo.com/blog/duo-finds-saml-vulnerabilities-affecting-multiple-implementations
WEBhttps://www.kb.cert.org/vuls/id/475445