CVE-2020-25110
First published: Fri Dec 11 2020(Updated: )
An issue was discovered in the DNS implementation in Ethernut in Nut/OS 5.1. The length byte of a domain name in a DNS query/response is not checked, and is used for internal memory operations. This may lead to successful Denial-of-Service, and possibly Remote Code Execution.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Ethernut nut/os | <=5.1 | |
| Contiki OS | ||
| Contiki-NG | ||
| uIP | ||
| SUSE Open-iSCSI | ||
| altran picoTCP-NG | ||
| picoTCP | ||
| butok FNET | ||
| Nut/Net |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2020-25110?
CVE-2020-25110 is classified as a high severity vulnerability due to its potential for Denial-of-Service and possible Remote Code Execution.
How do I fix CVE-2020-25110?
To mitigate CVE-2020-25110, update the affected software to a version after 5.1 for Ethernut and ensure other affected open-source products are also updated.
What software is affected by CVE-2020-25110?
CVE-2020-25110 affects Ethernut Nut/OS 5.1 and prior, as well as various open source software including Contiki OS, uIP, and open-iscsi.
What kind of attacks can CVE-2020-25110 lead to?
CVE-2020-25110 can lead to successful Denial-of-Service attacks and potentially allow for Remote Code Execution.
Is CVE-2020-25110 a local or remote vulnerability?
CVE-2020-25110 is a remote vulnerability, allowing attackers to exploit it from a distance.
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- vendor/ethernut
- canonical/ethernut nut/os
- version/ethernut nut/os/5.1
- vendor/multiple (open source)
- canonical/contiki os
- canonical/contiki-ng
- canonical/uip
- canonical/suse open-iscsi
- canonical/altran picotcp-ng
- canonical/picotcp
- canonical/butok fnet
- canonical/nut/net