full-disclosure - [FD] Assertion failure in check_certificate_request() of TinyDTLS

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Message-ID: <SEYPR06MB666372AF5D86EEEA9048B2D9C5732@SEYPR06MB6663.apcprd06.prod.outlook.com>
Date: Tue, 16 Jan 2024 13:58:02 +0000
From: Meng Ruijie <ruijie_meng@...us.edu>
To: "fulldisclosure@...lists.org" <fulldisclosure@...lists.org>
Subject: [FD] Assertion failure in check_certificate_request() of TinyDTLS

[Suggested description]
An issue was discovered in Contiki-NG tinyDTLS through 2018-08-30. An assertion failure in check_certificate_request() causes the server to exit unexpectedly (a denial of service).

[VulnerabilityType Other]
Improper Handling of exception conditions

[Vendor of Product]
https://github.com/contiki-ng/tinydtls

[Affected Product Code Base]
contiki-ng tinydtls - master branch 53a0d97

[Affected Component]
the service of dtls servers

[Attack Type]
Remote

[Impact Code execution]
true

[Impact Denial of Service]
true

[Impact Information Disclosure]
true

[Reference]
https://github.com/contiki-ng/tinydtls/issues/26

[Discoverer]
jerrytesting

[CVE Reference]
The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name CVE-2021-42145 to this vulnerability.
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