CVE-2021-42141

An issue was discovered in Contiki-NG tinyDTLS through 2018-08-30. One incorrect handshake could complete with different epoch numbers in the packets ClientHello, Clientkeyexchange, and Changecipherspec, which may cause denial of service...

Design/Logic Flaw

An issue was discovered in Contiki-NG tinyDTLS through 2018-08-30. One incorrect handshake could complete with different epoch numbers in the packets ClientHello, Clientkeyexchange, and Changecipherspec, which may cause denial of service...

CVE-2021-42141

An issue was discovered in Contiki-NG tinyDTLS through 2018-08-30. One incorrect handshake could complete with different epoch numbers in the packets ClientHello, Clientkeyexchange, and Changecipherspec, which may cause denial of service...

CVE-2021-42141

An issue was discovered in Contiki-NG tinyDTLS through 2018-08-30. One incorrect handshake could complete with different epoch numbers in the packets ClientHello, Clientkeyexchange, and Changecipherspec, which may cause denial of service...

CVE-2021-42141

CVE-2021-42141 affects Contiki-NG tinyDTLS up to and including 2018-08-30. The issue is an incorrect handshake that may complete with different epoch numbers across Client_Hello, Client_key_exchange, and Change_cipher_spec, potentially causing denial of service. Public references indicate high-se...

PT-2024-11019 · Unknown · Contiki-Ng

Name of the Vulnerable Software and Affected Versions: Contiki-NG tinyDTLS versions through 2018-08-30 Description: An issue was discovered where one incorrect handshake could complete with different epoch numbers in the packets Client Hello, Client key exchange, and Change cipher spec, which may...

Contiki-NG Security Vulnerability

Contiki-NG is an open source cross-platform operating system for next-generation IoT Internet of Things devices. A security vulnerability exists in Contiki-NG tinyDTLS version 2018-08-30 and earlier versions that stems from the fact that an incorrect handshake may be accomplished using different...

Contiki-NG Security Vulnerability

Contiki-NG is an open source cross-platform operating system for next-generation IoT Internet of Things devices. A security vulnerability exists in Contiki-NG tinyDTLS version 2018-08-30 and earlier versions, which stems from the DTLS server incorrectly handling the early use of large epoch numbe...

Contiki-NG Security Vulnerability

Contiki-NG is an open source cross-platform operating system for next-generation IoT Internet of Things devices. A security vulnerability exists in Contiki-NG tinyDTLS version 2018-08-30 and prior versions, which stems from a vulnerability in the DTLS server that allows a remote attacker to reuse...

Contiki-NG Security Vulnerability

Contiki-NG is an open source cross-platform operating system for next-generation IoT Internet of Things devices. A security vulnerability exists in Contiki-NG tinyDTLS version 2018-08-30 and prior versions, which stems from a failed assertion in checkcertificaterequest that can cause the server t...

Contiki-NG Security Vulnerability

Contiki-NG is an open source cross-platform operating system for next-generation IoT Internet of Things devices. A security vulnerability exists in Contiki-NG tinyDTLS version 2018-08-30 and prior versions, which stems from a mishandling of oversized packets in dtlsccmdecryptmessage can lead to...

Contiki-NG Security Vulnerability

Contiki-NG is an open source cross-platform operating system for next-generation IoT Internet of Things devices. A security vulnerability exists in Contiki-NG tinyDTLS version 2018-08-30 and prior versions, which stems from an infinite loop error during processing of ClientHello handshake message...

Contiki-NG Security Vulnerability

Contiki-NG is an open source cross-platform operating system for next-generation IoT Internet of Things devices. A security vulnerability exists in Contiki-NG tinyDTLS version 2018-08-30 and prior versions, which stems from a buffer over-read in the dtlssha256update function...

CVE-2020-27634

In Contiki 4.5, TCP ISNs are improperly random...

CVE-2020-27634

In Contiki 4.5, TCP ISNs are improperly random...

CVE-2020-27634

CVE-2020-27634 affects Contiki OS families (notably uIP-Contiki-OS, Contiki-NG, and related uIP implementations) where TCP Initial Sequence Numbers are generated with insufficient randomness. The flaw, described across multiple sources (CISA ICS advisory Update B and Red Hat/NVD entries), can all...

CVE-2020-27634

In Contiki 4.5, TCP ISNs are improperly random...

CVE-2020-27634

In Contiki 4.5, TCP ISNs are improperly random...

CVE-2023-37281

Contiki-NG is an operating system for internet-of-things devices. In versions 4.9 and prior, when processing the various IPv6 header fields during IPHC header decompression, Contiki-NG confirms the received packet buffer contains enough data as needed for that field. But no similar check is done...

CVE-2023-37459

Contiki-NG is an operating system for internet-of-things devices. In versions 4.9 and prior, when a packet is received, the Contiki-NG network stack attempts to start the periodic TCP timer if it is a TCP packet with the SYN flag set. But the implementation does not first verify that a full TCP...