Spoofing attack in Teeworlds

1) Spoofing attack

EUVDB-ID: #VU15560

Risk: Low

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-18541

CWE-ID: CWE-451 - User Interface (UI) Misrepresentation of Critical Information (Clickjacking, spoofing)

Exploit availability: No

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

CPE2.3

• cpe:2.3:a:teeworlds:teeworlds:0.4.3:*:*:*:*:*:*:*
• cpe:2.3:a:teeworlds:teeworlds:0.5.2:*:*:*:*:*:*:*
• cpe:2.3:a:teeworlds:teeworlds:0.6.0:*:*:*:*:*:*:*

External links

https://teeworlds.com/?page=news&id=12544

Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to open a a specially crafted file.

Is there known malware, which exploits this vulnerability?

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