CVE-2020-25112: Critical severity contiki os vulnerability
Published 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.
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·11:01 PM
Data Sourced
via MITRE·11:01 PM
Description
Frequently Asked Questions
1
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.
2
What is the severity of CVE-2020-25112?
The severity of CVE-2020-25112 is critical with a CVSS score of 9.8.
3
How does CVE-2020-25112 impact Contiki OS?
CVE-2020-25112 affects Contiki OS versions up to and including 3.0.
4
How can CVE-2020-25112 be exploited?
CVE-2020-25112 can be exploited by sending a crafted ICMPv6 echo packet.
5
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.