CVE-2020-25109
Critical
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.
SeverityCritical
CVSS9.8
Exploit probability—
ProductEthernut Nut\/os
PublishedDec 11, 2020
First seenDec 11, 2020
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| ethernut nut\/os | v ≤ 5.1 | — |
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