Improper Input Validation Affecting teeworlds package, versions <0.7.0-1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-DEBIAN12-TEEWORLDS-1560540
- published21 Oct 2018
- disclosed20 Oct 2018
Introduced: 20 Oct 2018
CVE-2018-18541 (opens in a new tab)How to fix?
Upgrade Debian:12 teeworlds to version 0.7.0-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream teeworlds package and not the teeworlds package as distributed by Debian.
See How to fix? for Debian:12 relevant fixed versions and status.
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.
References
- https://security-tracker.debian.org/tracker/CVE-2018-18541
- https://bugs.debian.org/911487
- https://www.debian.org/security/2018/dsa-4329
- https://github.com/teeworlds/teeworlds/issues/1536
- https://teeworlds.com/?page=news&id=12544
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00046.html
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00077.html
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2018-18541