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An issue was discovered in the DNS implementation in...

Critical severity Unreviewed Published May 24, 2022 to the GitHub Advisory Database • Updated Jan 29, 2023

Package

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Affected versions

Unknown

Patched versions

Unknown

Description

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.

References

Published by the National Vulnerability Database Dec 11, 2020
Published to the GitHub Advisory Database May 24, 2022
Last updated Jan 29, 2023

Severity

Critical

Weaknesses

CVE ID

CVE-2020-25108

GHSA ID

GHSA-vcfv-2wp3-p4hq

Source code

No known source code

Dependabot alerts are not supported on this advisory because it does not have a package from a supported ecosystem with an affected and fixed version.

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