Bug 1829536 (CVE-2020-12066)

Summary:	CVE-2020-12066 teeworlds: allows an attacker force the server to repetitively shut down
Product:	[Other] Security Response	Reporter:	Guilherme de Almeida Suckevicz <gsuckevi>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	gwync, igor.raits, lkundrak, oliver
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2020-04-29 22:31:48 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1829537, 1829538
Bug Blocks:

Description Guilherme de Almeida Suckevicz 2020-04-29 18:10:15 UTC

CServer::SendMsg in engine/server/server.cpp in Teeworlds 0.7.x before 0.7.5 allows remote attackers to shut down the server.

Reference:
https://www.teeworlds.com/forum/viewtopic.php?id=14785

Upstream commit:
https://github.com/teeworlds/teeworlds/commit/c68402fa7e279d42886d5951d1ea8ac2facc1ea5

Comment 1 Guilherme de Almeida Suckevicz 2020-04-29 18:10:36 UTC

Created teeworlds tracking bugs for this issue:

Affects: epel-7 [bug 1829538]
Affects: fedora-all [bug 1829537]

Comment 2 Product Security DevOps Team 2020-04-29 22:31:48 UTC

This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.