An exploitable NULL pointer dereference vulnerability exists in the tinysvcmdns library version 2017-11-05. A specially crafted packet can make the library dereference a NULL pointer leading to a server crash and denial of service. An attacker needs to send a DNS query to trigger this vulnerability.
- https://talosintelligence.com/vulnerability_reports/TALOS-2017-0486
- https://github.com/Samsung/cotopaxi
- https://github.com/lnxknl/tool_collect_net_http_quic_mqtt_etc