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GHSA-j2vm-wrq3-f7gfmedium6.8

Auth0-PHP SDK has Improper Audience Validation

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The advisory, in context

Description

In applications built with the Auth0-PHP SDK, the audience validation in access tokens is performed improperly. Without proper validation, affected applications may accept ID tokens as Access tokens.

Affected product and versions

Projects are affected if they meet the following preconditions:

  • Applications using the Auth0-PHP SDK, versions between v8.0.0 and v8.17.0, or
  • Applications using the following SDKs that rely on the Auth0-PHP SDK versions between v8.0.0 and v8.17.0:
    • a. Auth0/symfony,
    • b. Auth0/laravel-auth0,
    • c. Auth0/wordpress.

Resolution

Upgrade Auth0/Auth0-PHP to version 8.18.0 or greater.

Acknowledgement

Okta would like to thank Jafar Sadiq (iaf4r) for their discovery and responsible disclosure.

Affected packages

Start with the recorded fix for your release branch. Check your installed version and test compatibility before upgrading. Fixing this advisory does not rule out other vulnerabilities in the release.

Ecosystem versions

From 8.0.0 before 8.18.0

Fixed in 8.18.0

37 explicitly affected versions

8.0.0, 8.0.1, 8.0.2, 8.0.3, 8.0.4, 8.0.5, 8.0.6, 8.1.0, 8.10.0, 8.11.0, 8.11.1, 8.12.0, 8.13.0, 8.14.0, 8.15.0, 8.16.0, 8.17.0, 8.2.0, 8.2.1, 8.3.0, 8.3.1, 8.3.2, 8.3.3, 8.3.4, 8.3.5, 8.3.6, 8.3.7, 8.3.8, 8.4.0, 8.5.0, 8.6.0, 8.7.0, 8.7.1, 8.8.0, 8.9.0, 8.9.1, 8.9.3

View affected-version evidence
{
  "ranges": [
    {
      "events": [
        {
          "introduced": "8.0.0"
        },
        {
          "fixed": "8.18.0"
        }
      ],
      "type": "ECOSYSTEM"
    }
  ],
  "versions": [
    "8.0.0",
    "8.0.1",
    "8.0.2",
    "8.0.3",
    "8.0.4",
    "8.0.5",
    "8.0.6",
    "8.1.0",
    "8.10.0",
    "8.11.0",
    "8.11.1",
    "8.12.0",
    "8.13.0",
    "8.14.0",
    "8.15.0",
    "8.16.0",
    "8.17.0",
    "8.2.0",
    "8.2.1",
    "8.3.0",
    "8.3.1",
    "8.3.2",
    "8.3.3",
    "8.3.4",
    "8.3.5",
    "8.3.6",
    "8.3.7",
    "8.3.8",
    "8.4.0",
    "8.5.0",
    "8.6.0",
    "8.7.0",
    "8.7.1",
    "8.8.0",
    "8.9.0",
    "8.9.1",
    "8.9.3"
  ]
}

References