CVE-2021-43518
Severity Score
7.8
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
2
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
Teeworlds up to and including 0.7.5 is vulnerable to Buffer Overflow. A map parser does not validate m_Channels value coming from a map file, leading to a buffer overflow. A malicious server may offer a specially crafted map that will overwrite client's stack causing denial of service or code execution.
Teeworlds versiones hasta 0.7.5 incluyéndola, es vulnerable a un desbordamiento del búfer. Un analizador de mapas no comprueba el valor m_Channels procedente de un archivo de mapas, conllevando a un desbordamiento del búfer. Un servidor malicioso puede ofrecer un mapa especialmente diseñado que sobrescribirá la pila del cliente causando una denegación de servicio o una ejecución de código
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-11-08 CVE Reserved
- 2021-12-15 CVE Published
- 2024-07-21 EPSS Updated
- 2024-08-04 CVE Updated
- 2024-08-04 First Exploit
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CAPEC
References (4)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|---|---|
| https://github.com/teeworlds/teeworlds/issues/2981 | 2024-08-04 | |
| https://mmmds.pl/fuzzing-map-parser-part-1-teeworlds | 2024-08-04 |
| URL | Date | SRC |
|---|
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Teeworlds Search vendor "Teeworlds" | Teeworlds Search vendor "Teeworlds" for product "Teeworlds" | <= 0.7.5 Search vendor "Teeworlds" for product "Teeworlds" and version " <= 0.7.5" | - |
Affected
| ||||||
| Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 35 Search vendor "Fedoraproject" for product "Fedora" and version "35" | - |
Affected
| ||||||
| Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 36 Search vendor "Fedoraproject" for product "Fedora" and version "36" | - |
Affected
| ||||||