Buffer Over-read Vulnerability in Contiki-NG's tinyDTLS
CVE-2021-42144

9.8CRITICAL

Key Information:

Vendor

Contiki-ng

Status
Contiki-ng Tinydtls
Vendor
CVE Published:
24 January 2024

What is CVE-2021-42144?

A buffer over-read vulnerability exists in the tinyDTLS implementation within Contiki-NG. This vulnerability allows attackers to leverage crafted inputs targeting the dtls_ccm_decrypt_message function, potentially exposing sensitive information. Attackers exploiting this issue could obtain data that should remain protected, raising serious security concerns for applications utilizing this library.

References

https://seclists.org/fulldisclosure/2024/Jan/17

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.