PT-2024-11023 · Unknown · Contiki-Ng Tinydtls

Jerrytesting + 1 · Published 2024-01-24 · Updated 2024-01-31 · CVE-2021-42145

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Contiki-NG tinyDTLS through master branch 53a0d97

Description An assertion failure in the check certificate request() function allows attackers to cause a denial of service. This issue affects Contiki-NG tinyDTLS, enabling attackers to exploit it and disrupt service.

Recommendations For Contiki-NG tinyDTLS through master branch 53a0d97, as a temporary workaround, consider disabling the check certificate request() function until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Handling of Exceptional Conditions

Weakness Enumeration

CWE-755

Related Identifiers

CVE-2021-42145

Affected Products

Contiki-Ng Tinydtls

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2021-42145 · Security Note
• https://osv.dev/vulnerability/CVE-2021-42145 · Vendor Advisory
• http://seclists.org/fulldisclosure/2024/Jan/18 · Note
• https://t.me/cvenotify/68583 · Telegram Post
• https://twitter.com/CVEnew/status/1750230115626184958 · Twitter Post
• https://seclists.org/fulldisclosure/2024/Jan/18 · Note
• https://t.me/cvenotify/69397 · Telegram Post