CVE-2021-41061: Medium severity RIOT-OS RIOT vulnerability
In RIOT-OS 2021.01, nonce reuse in 802.15.4 encryption in the ieee820154security component allows attackers to break encryption by triggering reboots.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
RIOT-OSto a version that resolves this vulnerability.Fixed in 2021.01 - Compensating control
Mitigate exploitation by preventing attackers from triggering device reboots (e.g., restrict/limit 802.15.4 network access to trusted devices and monitor/limit reboot-inducing conditions).
Event History
Frequently Asked Questions
What is the severity of CVE-2021-41061?
CVE-2021-41061 is categorized as a high-severity vulnerability due to its potential to break encryption.
How do I fix CVE-2021-41061?
To fix CVE-2021-41061, update to the latest version of RIOT-OS that addresses the nonce reuse issue.
What component is affected by CVE-2021-41061?
The ieee820154_security component in RIOT-OS 2021.01 is affected by CVE-2021-41061.
What are the consequences of CVE-2021-41061?
The consequences of CVE-2021-41061 include the potential for attackers to break encryption through nonce reuse.
How does CVE-2021-41061 allow an attacker to exploit the system?
CVE-2021-41061 allows an attacker to exploit the system by triggering reboots, which leads to nonce reuse in 802.15.4 encryption.