CVE-2020-25111: Critical severity contiki os vulnerability

Published 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.

Affected Software

9 affected components
Contiki-os Contiki-os<=3.0
Multiple (open source) uIP-Contiki-OS (end-of-life [EOL]), Version 3.0 and prior
Multiple (open source) uIP-Contiki-NG, Version 4.5 and prior
Multiple (open source) uIP (EOL), Version 1.0 and prior
Multiple (open source) open-iscsi, Version 2.1.12 and prior
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

Event History

Dec 11, 2020
CVE Published
via MITRE·11:00 PM
Data Sourced
via MITRE·11:00 PM
Description

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

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.

2

What is the severity of CVE-2020-25111?

The severity of CVE-2020-25111 is critical with a CVSS score of 9.8.

3

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.

4

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.

5

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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