Teeworlds up to 0.6.4 Connection Packet input validation

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

A vulnerability classified as critical was found in Teeworlds up to 0.6.4. This vulnerability affects an unknown code block of the component Connection Packet Handler. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

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.

The bug was discovered 10/20/2018. The weakness was published 10/20/2018 (Website). The advisory is available at bugs.debian.org. This vulnerability was named CVE-2018-18541 since 10/20/2018. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 118580 (Fedora 27 : teeworlds (2018-b24201fc50)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176519 (Debian Security Update for teeworlds (DSA 4329-1)).

Upgrading to version 0.6.5 eliminates this vulnerability. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (118580). Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 118580
Nessus Name: Fedora 27 : teeworlds (2018-b24201fc50)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Teeworlds 0.6.5

Timelineinfo

10/20/2018 🔍
10/20/2018 +0 days 🔍
10/20/2018 +0 days 🔍
10/20/2018 +0 days 🔍
10/21/2018 +1 days 🔍
10/31/2018 +10 days 🔍
11/01/2018 +1 days 🔍
05/30/2023 +1671 days 🔍

Sourcesinfo

Advisory: FEDORA-2018-b24201fc50
Status: Not defined

CVE: CVE-2018-18541 (🔍)
OVAL: 🔍

Entryinfo

Created: 10/21/2018 09:44 AM
Updated: 05/30/2023 02:40 PM
Changes: 10/21/2018 09:44 AM (71), 04/05/2020 08:45 PM (2), 05/30/2023 02:38 PM (4), 05/30/2023 02:40 PM (1)
Complete: 🔍
Cache ID: 18:C40:40

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