Teeworlds client vulnerability in snap handling could result in execution of arbitrary code.

Announced

2017-05-26

Revised

2017-05-26 (revision 2)

Access

remote

Bugs

#600178

Advisory

https://security.gentoo.org/glsa/201705-13

Affected packages

Package	Arch	Vulnerable	Unaffected
games-action/teeworlds	*	< 0.6.4	>= 0.6.4

Background

Teeworlds is an online multi-player platform 2D shooter.

Description

Teeworlds client contains a vulnerability allowing a malicious server to execute arbitrary code, or write to arbitrary physical memory via the CClient::ProcessServerPacket method.

Impact

A remote malicious server can write to arbitrary physical memory locations and possibly execute arbitrary if a vulnerable client joins the server.

Workaround

There is no known workaround at this time.

Resolution

All Teeworlds users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=games-action/teeworlds-0.6.4:0"

References

• CVE-2016-9400