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CVE-2017-11430 — Vulnerability in omniauth-saml — CVE Details

HIGH

OmniAuth-SAML authentication bypass via incorrect XML canonicalization and DOM traversal

Published July 5, 2019Updated February 16, 2024Source: osv

Summary

OmniAuth OmniAuth-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.

Advisory Timeline

  • First published July 5, 2019 (2656 days ago).
  • Last revised February 16, 2024 — 1686 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

Bundler
Update omniauth-saml to 1.10.0 or later
gem install omniauth-saml -v 1.10.0

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (1)

Affects 1 ecosystem: rubygems (1).

PackageEcosystemAffectedFixed In
omniauth-saml
rubygems
0.9.0, 0.9.1, 0.9.2, 1.0.0 (+13 more)1.10.0

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

  • CWE-287
    Improper AuthenticationMITRE

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 7.7 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
None
Availability
None

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

References

Frequently Asked Questions

What is CVE-2017-11430?
OmniAuth-SAML authentication bypass via incorrect XML canonicalization and DOM traversal This vulnerability has been assigned a severity rating of HIGH (CVSS score: 7.7/10).
How do I check if my project is affected by CVE-2017-11430?
CVE-2017-11430 affects omniauth-saml. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2017-11430 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
7.7

High exploitability or significant impact. Prioritize remediation within days.

Also Known As

GHSA-94hm-8q65-rmxm

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