Out-of-bounds read in Contiki-NG - CVE-2021-21280
Published: June 24, 2021
Vulnerability identifier: #VU54358
CSH Severity: Medium
CVSS v4: 8.2 [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]
CVE-ID: CVE-2021-21280
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Contiki-NG
How to mitigate CVE-2021-21280
Install updates from vendor's website.
Contiki-NG - update to 4.6