In Teeworlds before 0.6.5, connection packets could be forged. There was no challenge-response involved in the connection build up. A remote attacker could send connection packets from a spoofed IP address and occupy all server slots, or even use them for a reflection attack using map download packets.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade teeworlds | Oct 30, 2018 | Oct 20, 2018 |
| Suse | — | Upgrade teeworlds | Jul 24, 2019 | Oct 20, 2018 |
| Ubuntu | — | No solution exists | Jun 26, 2025 | Oct 20, 2018 |
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