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Auth0 Symfony SDK Deserialization of Untrusted Data vulnerability
Overview The Auth0 Symfony SDK contains a critical vulnerability due to insecure deserialization of cookie data. If exploited, since SDKs process cookie content without prior authentication, a threat actor could send a specially crafted cookie containing malicious serialized data.
Am I Affected? You are affected by this vulnerability if you meet the following preconditions:
- Applications using the Auth0 Symfony SDK, versions between 5.0.0 BETA-0 to 5.0.0.
- Auth0 Symfony SDK uses the Auth0-PHP SDK with version 8.0.0-BETA3 to 8.3.0.
Fix Upgrade Auth0/symfony to the latest version (v5.4.0).
Acknowledgement Okta would like to thank Andreas Forsblom for discovering this vulnerability.
| Software | From | Fixed in |
|---|---|---|
auth0 / symfony
|
5.0.0-BETA0 | 5.1.0 |
- https://github.com/auth0/auth0-PHP/security/advisories/GHSA-v9m8-9xxp-q492
- https://github.com/auth0/laravel-auth0/security/advisories/GHSA-c42h-56wx-h85q
- https://github.com/auth0/symfony/security/advisories/GHSA-98j6-67v3-mw34
- https://github.com/auth0/wordpress/security/advisories/GHSA-862m-5253-832r