An exploitable denial-of-service vulnerability exists in the way CoTURN 4.5.1.1 web server parses POST requests. A specially crafted HTTP POST request can lead to server crash and denial of service. An attacker needs to send an HTTP request to trigger this vulnerability.
The product dereferences a pointer that it expects to be valid but is NULL.
Link | Tags |
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https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HQZZPI34LAS3SFNW6Z2ZJ46RKVGEODNA/ | vendor advisory |
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XN2NK6FT7AMW5UIZNXDNHKEAYWAUMGSF/ | vendor advisory |
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OUVZRXW5ZIGWVKOLF3NPXRPP74YX7BUY/ | vendor advisory |
https://www.debian.org/security/2020/dsa-4711 | third party advisory vendor advisory |
https://usn.ubuntu.com/4415-1/ | third party advisory vendor advisory |
https://talosintelligence.com/vulnerability_reports/TALOS-2020-0985 | third party advisory exploit |