CVE-2020-25111
First published: Fri Dec 11 2020(Updated: )
An issue was discovered in the IPv6 stack in Contiki through 3.0. There is an insufficient check for the IPv6 header length. This leads to Denial-of-Service and potential Remote Code Execution via a crafted ICMPv6 echo packet.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Contiki-os Contiki-os | <=3.0 | |
| Multiple (open source) picoTCP-NG, Version 1.7.0 and prior | ||
| Multiple (open source) picoTCP (EOL), Version 1.7.0 and prior | ||
| Multiple (open source) FNET, Version 4.6.3 | ||
| Multiple (open source) Nut/Net, Version 5.1 and prior |
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Reference Links
Frequently Asked Questions
What is CVE-2020-25111?
CVE-2020-25111 is a vulnerability in the IPv6 stack in Contiki through version 3.0, which allows for Denial-of-Service and potential Remote Code Execution.
What is the severity of CVE-2020-25111?
The severity of CVE-2020-25111 is critical with a CVSS score of 9.8.
How does CVE-2020-25111 affect Contiki OS?
CVE-2020-25111 affects Contiki OS through version 3.0, allowing for Denial-of-Service and potential Remote Code Execution.
How can I fix CVE-2020-25111?
To fix CVE-2020-25111, it is recommended to upgrade to a version of Contiki OS that includes a fix for this vulnerability.
Are there any references for CVE-2020-25111?
For more information about CVE-2020-25111, you can refer to the following sources: [US-CERT Advisory](https://us-cert.cisa.gov/ics/advisories/icsa-20-343-01) and [CERT Vulnerability Note](https://www.kb.cert.org/vuls/id/815128).
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- vendor/contiki-os
- canonical/contiki-os contiki-os
- version/contiki-os contiki-os/3.0
- vendor/multiple (open source)
- canonical/multiple (open source) picotcp-ng, version 1.7.0 and prior
- canonical/multiple (open source) picotcp (eol), version 1.7.0 and prior
- canonical/multiple (open source) fnet, version 4.6.3
- canonical/multiple (open source) nut/net, version 5.1 and prior