Infinite loop in Contiki-NG - CVE-2021-21279
Published: June 24, 2021
Vulnerability identifier: #VU54356
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-21279
CWE-ID: CWE-835
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to infinite loop in IPv6 neighbor solicitation processing. A remote attacker can consume all available system resources and cause denial of service conditions.
Affected software
Contiki-NG
How to mitigate CVE-2021-21279
Install updates from vendor's website.
Contiki-NG - update to 4.6