Vulnerability CVE-2018-18541

Vulnerability Name:

CVE-2018-18541 (CCN-151769)

Assigned:

2018-10-20

Published:

2018-10-20

Updated:

2019-07-23

Summary:

In Teeworlds before 0.6.5, connection packets could be forged. There was no challenge-response involved in the connection build up. A remote attacker could 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.

CVSS v3 Severity:

7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): High

5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
4.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Low

CVSS v2 Severity:

5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Authentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Partial

5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Athentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Partial

Vulnerability Type:

CWE-20

Vulnerability Consequences:

Denial of Service

References:

Source: MITRE
Type: CNA
CVE-2018-18541

Source: SUSE
Type: UNKNOWN
openSUSE-SU-2019:1793

Source: SUSE
Type: UNKNOWN
openSUSE-SU-2019:1999

Source: MISC
Type: Mailing List, Patch, Third Party Advisory
https://bugs.debian.org/911487

Source: XF
Type: UNKNOWN
teeworlds-cve201818541-dos(151769)

Source: CCN
Type: Teeworlds GIT Repository
CVE: Remote denial-of-service fixed in 0.6.5 #1536

Source: MISC
Type: Patch, Vendor Advisory
https://github.com/teeworlds/teeworlds/issues/1536

Source: MISC
Type: Vendor Advisory
https://teeworlds.com/?page=news&id=12544

Source: DEBIAN
Type: Third Party Advisory
DSA-4329

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2018-18541

Vulnerable Configuration:

Configuration 1:

cpe:/a:teeworlds:teeworlds:*:*:*:*:*:*:*:* (Version < 0.6.5)

Configuration 2:

cpe:/o:debian:debian_linux:9.0:*:*:*:*:*:*:*

Configuration CCN 1:

cpe:/a:teeworlds:teeworlds:0.6.4:*:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:org.opensuse.security:def:93452	P	(Important)	2022-05-10
oval:org.opensuse.security:def:201818541	V	CVE-2018-18541	2021-10-24
oval:org.opensuse.security:def:63042	P	python39-tools-3.9.4-2.9 on GA media (Moderate)	2021-08-09
oval:org.opensuse.security:def:62384	P	docker-19.03.15_ce-6.46.1 on GA media (Moderate)	2021-08-09
oval:org.opensuse.security:def:62360	P	yast2-multipath-4.2.1-1.74 on GA media (Moderate)	2021-08-09
oval:org.opensuse.security:def:62361	P	yast2-security-4.3.16-1.1 on GA media (Moderate)	2021-08-09
oval:org.opensuse.security:def:74295	P	Security update for openexr (Important)	2021-06-24
oval:org.opensuse.security:def:62840	P	aaa_base-malloccheck-84.87+git20180409.04c9dae-1.8 on GA media (Moderate)	2021-06-08
oval:org.opensuse.security:def:63180	P	salt-api-2018.3.0-3.9 on GA media (Moderate)	2020-12-03
oval:org.opensuse.security:def:62561	P	liblouis-data-3.3.0-4.5.1 on GA media (Moderate)	2020-12-03
oval:org.opensuse.security:def:63406	P	apache2-mod_php7-7.4.6-1.11 on GA media (Moderate)	2020-12-03
oval:org.opensuse.security:def:64117	P	Security update for squid (Important)	2020-12-01
oval:org.opensuse.security:def:63867	P	Security update for openssl-1_1 (Moderate)	2020-12-01
oval:org.opensuse.security:def:64229	P	coreutils on GA media (Moderate)	2020-12-01
oval:org.opensuse.security:def:63973	P	Security update for ntp (Moderate)	2020-12-01
oval:org.opensuse.security:def:74169	P	Security update for tomcat (Important)	2020-12-01
oval:org.opensuse.security:def:64075	P	Security update for ovmf (Moderate)	2020-12-01
oval:org.opensuse.security:def:63733	P	Security update for webkit2gtk3 (Important)	2020-12-01
oval:org.opensuse.security:def:100165	P	(Moderate)	2019-10-25
oval:org.opensuse.security:def:109919	P	Security update for teeworlds (Moderate)	2019-07-23
oval:com.ubuntu.disco:def:2018185410000000	V	CVE-2018-18541 on Ubuntu 19.04 (disco) - medium.	2018-10-20
oval:com.ubuntu.bionic:def:201818541000	V	CVE-2018-18541 on Ubuntu 18.04 LTS (bionic) - medium.	2018-10-20
oval:com.ubuntu.cosmic:def:2018185410000000	V	CVE-2018-18541 on Ubuntu 18.10 (cosmic) - medium.	2018-10-20
oval:com.ubuntu.cosmic:def:201818541000	V	CVE-2018-18541 on Ubuntu 18.10 (cosmic) - medium.	2018-10-20
oval:com.ubuntu.bionic:def:2018185410000000	V	CVE-2018-18541 on Ubuntu 18.04 LTS (bionic) - medium.	2018-10-20
oval:com.ubuntu.trusty:def:201818541000	V	CVE-2018-18541 on Ubuntu 14.04 LTS (trusty) - medium.	2018-10-20
oval:com.ubuntu.xenial:def:2018185410000000	V	CVE-2018-18541 on Ubuntu 16.04 LTS (xenial) - medium.	2018-10-20
oval:com.ubuntu.xenial:def:201818541000	V	CVE-2018-18541 on Ubuntu 16.04 LTS (xenial) - medium.	2018-10-20

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