CVE-2020-25111

An issue was discovered in the IPv6 stack in Contiki through 3.0

published December 11, 2020

CVSS
โ€”
EPSS
21%
Percentile
97.6
In the wild
Unconfirmed
What it is

โš ๏ธ A crafted ICMPv6 echo packet can exploit an insufficient IPv6 header length check in Contiki, leading to serious consequences! ๐Ÿ”ฅ Think of it as a restaurant that allows any delivery person to drop off packages without checking if they match the order โ€” an oversight that could lead to chaos in the kitchen! This vulnerability could trigger a Denial-of-Service, effectively knocking your system offline and causing disruptions. Even worse, it may open the door for Remote Code Execution, allowing attackers to take control of your device. That's a recipe for disaster!

Put simply

Think of it as a restaurant that allows any delivery person to drop off packages without checking if they match the order โ€” an oversight that could lead to chaos in the kitchen! CVE-2020-25111 arises from the IPv6 stack in Contiki, which fails to properly validate the length of the IPv6 header. This oversight makes it vulnerable to manipulation via malformed ICMPv6 packets.

What to do

This vulnerability could trigger a Denial-of-Service, effectively knocking your system offline and causing disruptions. Even worse, it may open the door for Remote Code Execution, allowing attackers to take control of your device. That's a recipe for disaster! To protect your systems, update Contiki to the latest version where this issue is resolved. Additionally, consider implementing network monitoring tools to detect and filter malformed packets before they can cause harm. You've got this! With these steps, you'll keep your systems safe and sound. ๐Ÿ›ก๏ธ

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.20883 ยท 97.6th percentile
Published
2020-12-11T23:00Z
EPSS history
Timeline
  • 11 DEC 23:00Z
    An issue was discovered in the IPv6 stack in Contiki through 3.0
    cvelistv5