Auth bypass in Clever Saml2-Js

CVE-2017-11429

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.

Vulnerability class: Broken Authentication

EPSS: 0.024 (82.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.7 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

  • security@duo.com (Technical Description, Exploit, Third Party Advisory, x_refsource_MISC)
  • security@duo.com (US Government Resource, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2017-11429?
CVE-2017-11429 is a high-severity vulnerability in Clever Saml2-Js, classified under Improper Authentication. CVSS score: 7.7/10. Published 2019-04-17.
How severe is CVE-2017-11429?
High severity. CVSS v3 base score is 7.7 out of 10.