Improper Verification of Cryptographic Signature Affecting ruby-saml package, versions <1.12.4>=1.13.0, <1.18.0
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
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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Test your applications- Snyk IDSNYK-RUBY-RUBYSAML-9402845
- published13 Mar 2025
- disclosed12 Mar 2025
- creditPeter Stöckli
Introduced: 12 Mar 2025
NewCVE-2025-25291 (opens in a new tab)How to fix?
Upgrade ruby-saml to version 1.12.4, 1.18.0 or higher.
Overview
Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature due to differences in XML document DOCTYPE parsing between REXML and Nokogiri, implemented in xml_security.rb. An attacker can bypass authentication via Signature Wrapping attack.