Spoofing attack in Teeworlds - CVE-2018-18541

 

Spoofing attack in Teeworlds - CVE-2018-18541

Published: October 29, 2018 / Updated: October 29, 2018


Vulnerability identifier: #VU15560
CSH Severity: Low
CVSS v4: 6.9 [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]
CVE-ID: CVE-2018-18541
CWE-ID: CWE-451
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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.


Affected software

Teeworlds
Debian Linux
Fedora
SUSE Linux
Opensuse
teeworlds

How to mitigate CVE-2018-18541

Update to version 0.6.5.

Teeworlds - update to 0.6.5
teeworlds - addressed in versions 0.6.5-1.el7, 0.6.5-1.fc27, 0.6.5-1.fc28, 0.6.5-1.fc29

External References

Related Security Bulletins