high7.8
CVE-2021-43518
Teeworlds up to and including 0.7.5 is vulnerable to Buffer Overflow.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Teeworlds | Teeworlds | through 0.7.5 |
| Fedoraproject | Fedora | Versions 35, 36 |
Weakness classification
References
- NVD record
- CVE.org record
- https://github.com/teeworlds/teeworlds/issues/2981
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JIYZ7EVY6NZBM7FQF6GVUARYO6MKSEAT/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OS2LI2RHQNUKUT3FKWYHRC27PLRWCHMZ/
- https://mmmds.pl/fuzzing-map-parser-part-1-teeworlds/
- https://github.com/teeworlds/teeworlds/issues/2981
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JIYZ7EVY6NZBM7FQF6GVUARYO6MKSEAT/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OS2LI2RHQNUKUT3FKWYHRC27PLRWCHMZ/
- https://mmmds.pl/fuzzing-map-parser-part-1-teeworlds/