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| Rule General Information |
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| Release Date: | 2024-10-15 | |
| Rule Name: | SAML Authentication Bypass Vulnerability (CVE-2024-45409) | |
| Severity: | ||
| CVE ID: | ||
| Rule Protection Details |
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| 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. | |
| Impact: | An unauthorized remote attacker can bypass authentication and gain access to the application with specially crafted requests. | |
| Affected OS: | Windows, Linux, Others | |
| Reference: | https://github.com/SAML-Toolkits/ruby-saml/commit/1ec5392bc506fe43a02dbb66b68741051c5ffeae https://github.com/SAML-Toolkits/ruby-saml/commit/4865d030cae9705ee5cdb12415c654c634093ae7 https://github.com/SAML-Toolkits/ruby-saml/security/advisories/GHSA-jw9c-mfg7-9rx2 |
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| Solutions |
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| Refer to the announcement or patch by the vendor: https://github.com/SAML-Toolkits/ruby-saml/security/advisories/GHSA-jw9c-mfg7-9rx2 |