CVE-2021-42142

An issue was discovered in Contiki-NG tinyDTLS through master branch 53a0d97. DTLS servers mishandle the early use of a large epoch number. This vulnerability allows remote attackers to cause a denial of service and false-positive packet drops.
References
Link Resource
https://github.com/contiki-ng/tinydtls/issues/24 Issue Tracking Patch
https://seclists.org/fulldisclosure/2024/Jan/15 Mailing List Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:contiki-ng:tinydtls:*:*:*:*:*:*:*:*

History

21 Oct 2024, 11:35

Type Values Removed Values Added
CWE CWE-770

31 Jan 2024, 14:51

Type Values Removed Values Added
First Time Contiki-ng
Contiki-ng tinydtls
CVSS v2 : unknown
v3 : unknown
v2 : unknown
v3 : 9.8
References () https://github.com/contiki-ng/tinydtls/issues/24 - () https://github.com/contiki-ng/tinydtls/issues/24 - Issue Tracking, Patch
References () https://seclists.org/fulldisclosure/2024/Jan/15 - () https://seclists.org/fulldisclosure/2024/Jan/15 - Mailing List, Third Party Advisory
CPE cpe:2.3:a:contiki-ng:tinydtls:*:*:*:*:*:*:*:*
CWE CWE-755

23 Jan 2024, 22:15

Type Values Removed Values Added
New CVE

Information

Published : 2024-01-23 22:15

Updated : 2024-10-21 11:35


NVD link : CVE-2021-42142

Mitre link : CVE-2021-42142

CVE.ORG link : CVE-2021-42142


JSON object : View

Products Affected

contiki-ng

  • tinydtls
CWE
CWE-755

Improper Handling of Exceptional Conditions

CWE-770

Allocation of Resources Without Limits or Throttling