CVE-2023-41336: Prevent injection of invalid entity ids for "autocomplete" fields
Impact
Under certain circumstances, an attacker could successfully submit an entity id for an EntityType that is not part of the valid choices.
Affected applications are any that use:
- A custom
query_builderoption to limit the valid results; AND - An
EntityTypewith'autocomplete' => trueor a custom AsEntityAutocompleteField.
Under this circumstance, if an id is submitted, it is accepted even if the matching record would not be returned by the custom query built with query_builder.
Patches
The problem has been fixed in symfony/ux-autocomplete version 2.11.2.
Workarounds
Upgrade to version 2.11.2 or greater of symfony/ux-autocomplete or perform extra validation after submit to verify the selected option is valid.
References
- github.com/FriendsOfPHP/security-advisories/blob/master/symfony/ux-autocomplete/CVE-2023-41336.yaml
- github.com/advisories/GHSA-4cpv-669c-r79x
- github.com/symfony/ux-autocomplete/commit/fabcb2eee14b9e84a45b276711853a560b5d770c
- github.com/symfony/ux-autocomplete/security/advisories/GHSA-4cpv-669c-r79x
- nvd.nist.gov/vuln/detail/CVE-2023-41336
- symfony.com/bundles/ux-autocomplete/current/index.html
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