Improper Authentication Affecting ruby-saml package, versions <1.1.2-1ubuntu1+esm1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-UBUNTU1604-RUBYSAML-342549
- published27 Jun 2018
- disclosed17 Apr 2019
Introduced: 27 Jun 2018
CVE-2017-11428 (opens in a new tab)How to fix?
Upgrade Ubuntu:16.04 ruby-saml to version 1.1.2-1ubuntu1+esm1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream ruby-saml package and not the ruby-saml package as distributed by Ubuntu.
See How to fix? for Ubuntu:16.04 relevant fixed versions and status.
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.