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Date: Tue, 16 Jan 2024 13:45:53 +0000 From: Meng Ruijie <ruijie_meng@...us.edu> To: "fulldisclosure@...lists.org" <fulldisclosure@...lists.org> Subject: [FD] Mishandle epoch number in TinyDTLS servers About CVE-2021-42142: [Suggested description] An issue was discovered in Contiki-NG tinyDTLS through 2018-08-30. 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. [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/24 [Discoverer] jerrytesting _______________________________________________ Sent through the Full Disclosure mailing list https://nmap.org/mailman/listinfo/fulldisclosure Web Archives & RSS: https://seclists.org/fulldisclosure/