CVE-2021-41061 Explained : Impact and Mitigation
Learn about CVE-2021-41061 where nonce reuse in 802.15.4 encryption in RIOT-OS can be exploited, leading to encryption compromise and unauthorized access. Find mitigation steps here.
In RIOT-OS 2021.01, nonce reuse in 802.15.4 encryption in the ieee820154_security component allows attackers to break encryption by triggering reboots.
Understanding CVE-2021-41061
In this CVE, a vulnerability in RIOT-OS 2021.01 exposes a weakness in encryption, potentially leading to unauthorized access.
What is CVE-2021-41061?
CVE-2021-41061 involves nonce reuse in 802.15.4 encryption in RIOT-OS, enabling attackers to compromise encryption through reboot triggers.
The Impact of CVE-2021-41061
The exploitation of this vulnerability can result in the breaking of encryption, compromising the confidentiality and integrity of data.
Technical Details of CVE-2021-41061
This section details the specific technical aspects of the CVE.
Vulnerability Description
Nonce reuse in 802.15.4 encryption in the ieee820154_security component of RIOT-OS 2021.01 allows attackers to disrupt encryption mechanisms.
Affected Systems and Versions
- Product: RIOT-OS 2021.01
- Vendor: N/A
- Version: N/A
Exploitation Mechanism
By triggering reboots, attackers can exploit nonce reuse in 802.15.4 encryption, undermining the encryption integrity.
Mitigation and Prevention
Protect your systems with the following strategies:
Immediate Steps to Take
- Update RIOT-OS to a patched version.
- Monitor for unauthorized reboots or disruptions.
Long-Term Security Practices
- Implement secure coding practices.
- Conduct regular security audits to identify vulnerabilities.
Patching and Updates
Apply patches and updates promptly to address the nonce reuse vulnerability in RIOT-OS.