Vulnerabilities > CVE-2020-25108 - Out-of-bounds Write vulnerability in Ethernut Nut/Os 4.10/5.1

047910
CVSS 9.8 - CRITICAL
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
HIGH
Integrity impact
HIGH
Availability impact
HIGH
network
low complexity
ethernut
CWE-787
critical

Summary

An issue was discovered in the DNS implementation in Ethernut in Nut/OS 5.1. The DNS response data length is not checked (it can be set to an arbitrary value from a packet). This may lead to successful Denial-of-Service, and possibly Remote Code Execution.

Vulnerable Configurations

Part Description Count
OS
Ethernut
2

Common Weakness Enumeration (CWE)