Signature bypass via multiple root elements in Passport-SAML

Passport-SAML is a SAML 2.0 authentication provider for Passport, the Node.js authentication library. A remote attacker may be able to bypass SAML authentication on a website using passport-saml. A successful attack requires that the attacker is in possession of an arbitrary IDP signed XML element. Depending on the IDP used, fully unauthenticated attacks (e.g without access to a valid user) might also be feasible if generation of a signed message can be triggered. Users should upgrade to passport-saml version 3.2.2 or newer. The issue was also present in the beta releases of `node-saml` before version 4.0.0-beta.5. If you cannot upgrade, disabling SAML authentication may be done as a workaround.

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

密码学签名的验证不恰当

Passport-SAML 数据伪造问题漏洞

Passport-SAML是Passport的SAML 2.0身份验证提供程序，Node.js 身份验证库。 Passport-SAML存在数据伪造问题漏洞，该漏洞源于远程攻击者可以使用passport-saml绕过网站上的SAML身份验证。

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