Vulnerability identifier: #VU15560

Vulnerability risk: Low

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-18541

CWE-ID: CWE-451

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Teeworlds
Client/Desktop applications / Games

Vendor: Teeworlds

Description

The vulnerability allows a remote attacker to conduct IP spoofing attack.

The vulnerability exists due to connection packets can be forged when there was no challenge-response involved in the connection build up. A remote attacker can 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.

Mitigation
Update to version 0.6.5.

Vulnerable software versions

Teeworlds: 0.4.3 - 0.6.4

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External links
http://teeworlds.com/?page=news&id=12544

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.