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CVE-2020-25926

Description

The DNS client in InterNiche NicheStack TCP/IP 4.0.1 is affected by: Insufficient entropy in the DNS transaction id. The impact is: DNS cache poisoning (remote). The component is: dns_query_type(). The attack vector is: a specific DNS response packet.

POC

Reference

- https://www.forescout.com/blog/new-critical-operational-technology-vulnerabilities-found-on-nichestack/

- https://www.kb.cert.org/vuls/id/608209

Github

No PoCs found on GitHub currently.