CVE-2020-25112
First published: Fri Dec 11 2020(Updated: )
An issue was discovered in the IPv6 stack in Contiki through 3.0. There are inconsistent checks for IPv6 header extension lengths. 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-2020-25112?
CVE-2020-25112 is a vulnerability in the IPv6 stack in Contiki through 3.0 that can result in Denial-of-Service and potential Remote Code Execution.
What is the severity of CVE-2020-25112?
The severity of CVE-2020-25112 is critical with a CVSS score of 9.8.
How does CVE-2020-25112 impact Contiki OS?
CVE-2020-25112 affects Contiki OS versions up to and including 3.0.
How can CVE-2020-25112 be exploited?
CVE-2020-25112 can be exploited by sending a crafted ICMPv6 echo packet.
Is there a fix for CVE-2020-25112?
At the moment, there is no known fix for CVE-2020-25112. It is recommended to follow any advisories from the Contiki OS project for updates or patches.
- collector/nvd-index
- agent/type
- agent/last-modified-date
- agent/first-publish-date
- collector/ics-cert-advisory
- source/ICS
- agent/software-canonical-lookup
- agent/severity
- agent/weakness
- agent/author
- agent/references
- agent/softwarecombine
- agent/tags
- agent/event
- agent/description
- collector/mitre-cve
- source/MITRE
- 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