The DNS feature in InterNiche NicheStack TCP/IP 4.0.1 is affected by: Out-of-bounds Read. The impact is: a denial of service (remote). The component is: DNS response processing in function: dns_upcall(). The attack vector is: a specific DNS response packet. The code does not check whether the number of queries/responses specified in the DNS packet header corresponds to the query/response data available in the DNS packet.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25927
Reference (s):
- CERT-VN:VU#608209
- URL: https://www.kb.cert.org/vuls/id/608209
- http://www.iniche.com/source-code/networking-stack/nichestack.php
- https://www.forescout.com/blog/new-critical-operational-technology-vulnerabilities-found-on-nichestack/