GHSA-8GQJ-226H-GM8R

Vulnerability from github – Published: 2025-05-06 21:18 – Updated: 2025-05-07 15:34
VLAI?
Summary
Passport-wsfed-saml2 allows SAML Authentication Bypass via Attribute Smuggling
Details

Overview

This vulnerability allows an attacker to impersonate any user during SAML authentication by tampering with a valid SAML response. This can be done by adding attributes to the response.

Am I Affected?

You are affected by this SAML Attribute Smuggling vulnerability if you are using passport-wsfed-saml2 version 4.6.3 or below, specifically under the following conditions: 1. The service provider is using passport-wsfed-saml2, 2. A valid SAML Response signed by the Identity Provider can be obtained

Fix

Upgrade to v4.6.4 or greater.

Severity ?
8.6 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Show details on source website
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 4.6.3"
      },
      "package": {
        "ecosystem": "npm",
        "name": "passport-wsfed-saml2"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.0.5"
            },
            {
              "fixed": "4.6.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2025-46573"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-287",
      "CWE-290"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-05-06T21:18:49Z",
    "nvd_published_at": "2025-05-06T21:16:20Z",
    "severity": "HIGH"
  },
  "details": "### Overview\nThis vulnerability allows an attacker to impersonate any user during SAML authentication by tampering with a valid SAML response. This can be done by adding attributes to the response.\n\n### Am I Affected?\nYou are affected by this SAML Attribute Smuggling vulnerability if you are using `passport-wsfed-saml2` version 4.6.3 or below, specifically under the following conditions:\n1. The service provider is using `passport-wsfed-saml2`, \n2. A valid SAML Response signed by the Identity Provider can be obtained\n\n### Fix\nUpgrade to v4.6.4 or greater.",
  "id": "GHSA-8gqj-226h-gm8r",
  "modified": "2025-05-07T15:34:30Z",
  "published": "2025-05-06T21:18:49Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/auth0/passport-wsfed-saml2/security/advisories/GHSA-8gqj-226h-gm8r"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-46573"
    },
    {
      "type": "WEB",
      "url": "https://github.com/auth0/passport-wsfed-saml2/commit/e5cf3cc2a53748207f7a81bfba9195c8efa94181"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/auth0/passport-wsfed-saml2"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Passport-wsfed-saml2 allows SAML Authentication Bypass via Attribute Smuggling"
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.