Vulnerabilities > CVE-2021-42141 - Improper Handling of Exceptional Conditions vulnerability in Contiki-Ng Tinydtls 20180830
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH Summary
An issue was discovered in Contiki-NG tinyDTLS through 2018-08-30. One incorrect handshake could complete with different epoch numbers in the packets Client_Hello, Client_key_exchange, and Change_cipher_spec, which may cause denial of service.
Vulnerable Configurations
Part | Description | Count |
---|---|---|
Application | 2 |
Common Weakness Enumeration (CWE)
References
- http://packetstormsecurity.com/files/176625/Contiki-NG-tinyDTLS-Denial-Of-Service.html
- http://packetstormsecurity.com/files/176625/Contiki-NG-tinyDTLS-Denial-Of-Service.html
- http://seclists.org/fulldisclosure/2024/Jan/14
- https://github.com/contiki-ng/tinydtls/issues/27
- https://github.com/contiki-ng/tinydtls/issues/27
- https://seclists.org/fulldisclosure/2024/Jan/14
- https://seclists.org/fulldisclosure/2024/Jan/14