Epic Games Unreal Engine 226f through 436 does not validate the challenge key, which allows remote attackers to exhaust the player limit by joining the game multiple times.
Weakness
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Unreal_engine | Epic_games | 226f (including) | 226f (including) |
| Unreal_engine | Epic_games | 433 (including) | 433 (including) |
| Unreal_engine | Epic_games | 436 (including) | 436 (including) |
Potential Mitigations
Related Attack Patterns
- https://cwe.mitre.org/data/definitions/114.html
- https://cwe.mitre.org/data/definitions/115.html
- https://cwe.mitre.org/data/definitions/151.html
- https://cwe.mitre.org/data/definitions/194.html
- https://cwe.mitre.org/data/definitions/22.html
- https://cwe.mitre.org/data/definitions/57.html
- https://cwe.mitre.org/data/definitions/593.html
- https://cwe.mitre.org/data/definitions/633.html
- https://cwe.mitre.org/data/definitions/650.html
- https://cwe.mitre.org/data/definitions/94.html
References
- http://archives.neohapsis.com/archives/bugtraq/2003-02/0063.html
- http://archives.neohapsis.com/archives/bugtraq/2003-02/0142.html
- http://www.pivx.com/luigi/adv/ueng-adv.txt
- http://www.securityfocus.com/bid/6771
- https://exchange.xforce.ibmcloud.com/vulnerabilities/11304
- http://archives.neohapsis.com/archives/bugtraq/2003-02/0063.html
- http://archives.neohapsis.com/archives/bugtraq/2003-02/0142.html
- http://www.pivx.com/luigi/adv/ueng-adv.txt
- http://www.securityfocus.com/bid/6771
- https://exchange.xforce.ibmcloud.com/vulnerabilities/11304