#VU54358 Out-of-bounds read in Contiki-NG - CVE-2021-21280
Published: June 24, 2021
Vulnerability identifier: #VU54358
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-21280
CWE-ID: CWE-125
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 gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition when processing 6LoWPAN extension headers. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.
Remediation
Install updates from vendor's website.