An error was found in the X-Pack Security 5.3.0 to 5.5.2 privilege enforcement. If a user has either delete or index permissions on an index in a cluster, they may be able to issue both delete and index requests against that index.
The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| X-pack | Elastic | 5.3.0 (including) | 5.3.0 (including) |
| X-pack | Elastic | 5.3.1 (including) | 5.3.1 (including) |
| X-pack | Elastic | 5.3.2 (including) | 5.3.2 (including) |
| X-pack | Elastic | 5.3.3 (including) | 5.3.3 (including) |
| X-pack | Elastic | 5.4.0 (including) | 5.4.0 (including) |
| X-pack | Elastic | 5.5.0 (including) | 5.5.0 (including) |
| X-pack | Elastic | 5.5.2 (including) | 5.5.2 (including) |
Access control involves the use of several protection mechanisms such as:
When any mechanism is not applied or otherwise fails, attackers can compromise the security of the product by gaining privileges, reading sensitive information, executing commands, evading detection, etc. There are two distinct behaviors that can introduce access control weaknesses: