CVE-2021-43518

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-43518
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.

7.8 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8 /10

CVSS v2.0 : MEDIUM

V2 Legend

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

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References
Link Resource
https://github.com/teeworlds/teeworlds/issues/2981 Exploit Issue Tracking Third Party Advisory
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/ Exploit Third Party Advisory
https://github.com/teeworlds/teeworlds/issues/2981 Exploit Issue Tracking Third Party Advisory
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/ Exploit Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:teeworlds:teeworlds:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*
History

21 Nov 2024, 06:29

Type Values Removed Values Added
References () https://github.com/teeworlds/teeworlds/issues/2981 - Exploit, Issue Tracking, Third Party Advisory () https://github.com/teeworlds/teeworlds/issues/2981 - Exploit, Issue Tracking, Third Party Advisory
References () 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/JIYZ7EVY6NZBM7FQF6GVUARYO6MKSEAT/ -
References () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OS2LI2RHQNUKUT3FKWYHRC27PLRWCHMZ/ - () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OS2LI2RHQNUKUT3FKWYHRC27PLRWCHMZ/ -
References () https://mmmds.pl/fuzzing-map-parser-part-1-teeworlds/ - Exploit, Third Party Advisory () https://mmmds.pl/fuzzing-map-parser-part-1-teeworlds/ - Exploit, Third Party Advisory

26 Oct 2022, 02:31

Type Values Removed Values Added
CPE cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*
References (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OS2LI2RHQNUKUT3FKWYHRC27PLRWCHMZ/ - (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OS2LI2RHQNUKUT3FKWYHRC27PLRWCHMZ/ - Mailing List, Third Party Advisory
References (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JIYZ7EVY6NZBM7FQF6GVUARYO6MKSEAT/ - (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JIYZ7EVY6NZBM7FQF6GVUARYO6MKSEAT/ - Mailing List, Third Party Advisory

06 Aug 2022, 04:15

Type Values Removed Values Added
References
  • (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OS2LI2RHQNUKUT3FKWYHRC27PLRWCHMZ/ -
  • (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JIYZ7EVY6NZBM7FQF6GVUARYO6MKSEAT/ -

27 Dec 2021, 21:18

Type Values Removed Values Added
References (MISC) https://mmmds.pl/fuzzing-map-parser-part-1-teeworlds/ - (MISC) https://mmmds.pl/fuzzing-map-parser-part-1-teeworlds/ - Exploit, Third Party Advisory
References (MISC) https://github.com/teeworlds/teeworlds/issues/2981 - (MISC) https://github.com/teeworlds/teeworlds/issues/2981 - Exploit, Issue Tracking, Third Party Advisory
CVSS v2 : unknown
v3 : unknown 		v2 : 6.8
v3 : 7.8
CPE cpe:2.3:a:teeworlds:teeworlds:*:*:*:*:*:*:*:*
CWE CWE-120

15 Dec 2021, 15:15

Type Values Removed Values Added
New CVE
Information

Published : 2021-12-15 15:15

Updated : 2024-11-21 06:29

NVD link : CVE-2021-43518

Mitre link : CVE-2021-43518

CVE.ORG link : CVE-2021-43518

JSON object : View

Products Affected

teeworlds

  • teeworlds

fedoraproject

  • fedora
CWE
CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')