# omniauth-saml vulnerable to Improper Verification of Cryptographic Signature

Source: https://junglewise.ai/threats/omniauth-saml-vulnerable-to-improper-verification-of-cryptographic-a301b4b2  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2024-09-11  
License: CC BY 4.0 with a link back

Severity: low · CVSS 3.1 · Published 2024-09-11

omniauth-saml vulnerable to Improper Verification of Cryptographic Signature

Technologies: [omniauth-saml (RubyGems)](https://junglewise.ai/threats/technologies/omniauth-saml). Vendors: [RubyGems](https://junglewise.ai/threats/vendors/rubygems).

## Quick answers

**Is This vulnerability exploited in the wild?** No. Junglewise Threat Intelligence has no report of This vulnerability being exploited in the wild.

**How severe is This vulnerability?** Low severity, with a CVSS score of 3.1, published 11 September 2024.

**Which products and versions are affected?** omniauth-saml (RubyGems) ECOSYSTEM:introduced=2.0.0,fixed=2.1.2.

**Is there a fix for This vulnerability?** Yes. omniauth-saml (RubyGems): upgrade to 2.1.2 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected?** Check whether you run omniauth-saml (RubyGems) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- omniauth-saml (RubyGems): upgrade to 2.1.2 or later

  ```sh
  bundle update omniauth-saml
  ```


## Affected products

- omniauth-saml (RubyGems) ECOSYSTEM:introduced=2.0.0,fixed=2.1.2

## Related threats

- [omniauth-saml has dependency on ruby-saml version with Signature Wrapping Attack issue](https://junglewise.ai/threats/omniauth-saml-has-dependency-on-ruby-saml-version-with-signature-db4bfde5)
- [OmniAuth-SAML authentication bypass via incorrect XML canonicalization and DOM traversal](https://junglewise.ai/threats/cve-2017-11430-omniauth-saml-authentication-bypass-via-incorrect-xml)