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CVE-2024-45409 PoC — The Ruby SAML library vulnerable to a SAML authentication bypass via Incorrect XPath selector

Source
https://github.com/projectdiscovery/nuclei-templates/blob/main/code/cves/2024/CVE-2024-45409.yaml
Associated Vulnerability
Title:The Ruby SAML library vulnerable to a SAML authentication bypass via Incorrect XPath selector (CVE-2024-45409)
Description:The Ruby SAML library is for implementing the client side of a SAML authorization. Ruby-SAML in <= 12.2 and 1.13.0 <= 1.16.0 does not properly verify the signature of the SAML Response. An unauthenticated attacker with access to any signed saml document (by the IdP) can thus forge a SAML Response/Assertion with arbitrary contents. This would allow the attacker to log in as arbitrary user within the vulnerable system. This vulnerability is fixed in 1.17.0 and 1.12.3.
Description
The Ruby SAML library is for implementing the client side of a SAML authorization. Ruby-SAML in <= 12.2 and 1.13.0 <= 1.16.0 does not properly verify the signature of the SAML Response.
File Snapshot

 id: CVE-2024-45409

info:
  name: GitLab - SAML Authentication Bypass
  author: iamnoooob,rootxharsh

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