CWE
125
Advisory Published
Updated

CVE-2020-25109

First published: Fri Dec 11 2020(Updated: )

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.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Ethernut nut/os<=5.1
Contiki OS
Contiki-NG
uIP
open-iscsi
altran picoTCP-NG
picoTCP
butok FNET
Nut/Net

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Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2020-25109?

    CVE-2020-25109 has been identified as a potential Denial-of-Service vulnerability and may allow for Remote Code Execution.

  • How do I fix CVE-2020-25109?

    To fix CVE-2020-25109, ensure that you update to the latest version of the affected software that addresses this vulnerability.

  • Which software is affected by CVE-2020-25109?

    CVE-2020-25109 affects Ethernut in Nut/OS versions up to 5.1 and several other open-source networking products.

  • What type of vulnerability is CVE-2020-25109?

    CVE-2020-25109 is categorized as a DNS implementation vulnerability leading to Denial-of-Service and possibly Remote Code Execution.

  • Can CVE-2020-25109 be exploited remotely?

    Yes, CVE-2020-25109 can potentially be exploited remotely due to the nature of the DNS implementation flaw.

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