CVE-2021-43518

high

Description

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.

References

https://mmmds.pl/fuzzing-map-parser-part-1-teeworlds/

https://github.com/teeworlds/teeworlds/issues/2981

https://lists.fedoraproject.org/archives/list/[email protected]/message/OS2LI2RHQNUKUT3FKWYHRC27PLRWCHMZ/

https://lists.fedoraproject.org/archives/list/[email protected]/message/JIYZ7EVY6NZBM7FQF6GVUARYO6MKSEAT/

Details

Source: MITRE

Published: 2021-12-15

Updated: 2022-08-06

Type: CWE-120

Risk Information

CVSS v2

Base Score: 6.8

Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Impact Score: 6.4

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3

Base Score: 7.8

Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 1.8

Severity: HIGH