Description
An issue was discovered in the DNS implementation in Ethernut in Nut/OS 5.1. The number of DNS queries/responses (set in a DNS header) is not checked against the data present. This may lead to successful Denial-of-Service, and possibly Remote Code Execution.
Advisories 2
- WID-SEC-2022-1044 TCP/IP Stack: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jul 27, 2023
- ICSA-20-343-01 Multiple Embedded TCP/IP Stacks CISA ICS & IT advisories · Dec 8, 2020