#VU54357 Out-of-bounds write in Contiki-NG - CVE-2021-21257
Published: June 24, 2021
Vulnerability identifier: #VU54357
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2021-21257
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Contiki-NG
Contiki-NG
Software vendor:
Contiki-NG
Contiki-NG
Description
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted input in RPL-Classic and RPL-Lite implementations. A remote attacker can trigger out-of-bounds write and execute arbitrary code on the target system.
Remediation
Install updates from vendor's website.