CVE-2021-21279

Contiki-NG is an open-source, cross-platform operating system for internet of things devices. In verions prior to 4.6, an attacker can perform a denial-of-service attack by triggering an infinite loop in the processing of IPv6 neighbor solicitation NS messages. This type of attack can effectively...

CVE-2020-14934

Buffer overflows were discovered in Contiki-NG 4.4 through 4.5, in the SNMP agent. The function parsing the received SNMP request does not verify the input message's requested variables against the capacity of the internal SNMP engine buffer. If the number of variables in the request exceeds the...

CVE-2020-14937

Memory access out of buffer boundaries issues was discovered in Contiki-NG 4.4 through 4.5, in the SNMP BER encoder/decoder. The length of provided input/output buffers is insufficiently verified during the encoding and decoding of data. This may lead to out-of-bounds buffer read or write access ...

CVE-2020-27634

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

CVE-2020-14936

Buffer overflows were discovered in Contiki-NG 4.4 through 4.5, in the SNMP agent. Functions parsing the OIDs in SNMP requests lack sufficient allocated target-buffer capacity verification when writing parsed OID values. The function snmpoiddecodeoid may overwrite memory areas beyond the provided...

CVE-2020-14935

Buffer overflows were discovered in Contiki-NG 4.4 through 4.5, in the SNMP bulk get request response encoding function. The function parsing the received SNMP request does not verify the input message's requested variables against the capacity of the internal SNMP engine buffer. When a bulk get...

CVE-2018-1000804

contiki-ng version 4 contains a Buffer Overflow vulnerability in AQL Antelope Query Language database engine that can result in Attacker can perform Remote Code Execution on device using Contiki-NG operating system. This attack appear to be exploitable via Attacker must be able to run malicious A...

CVE-2018-20579

Contiki-NG before 4.2 has a stack-based buffer overflow in the push function in os/lib/json/jsonparse.c that allows an out-of-bounds write of an '' or '' character...

CVE-2022-35927

Contiki-NG is an open-source, cross-platform operating system for IoT devices. In the RPL-Classic routing protocol implementation in the Contiki-NG operating system, an incoming DODAG Information Option DIO control message can contain a prefix information option with a length parameter. The value...

CVE-2024-47181

Contiki-NG is an open-source, cross-platform operating system for IoT devices. An unaligned memory access can be triggered in the two RPL implementations of the Contiki-NG operating system. The problem can occur when either one of these RPL implementations is enabled and connected to an RPL...

CVE-2024-47181

Contiki-NG is an open-source, cross-platform operating system for IoT devices. An unaligned memory access can be triggered in the two RPL implementations of the Contiki-NG operating system. The problem can occur when either one of these RPL implementations is enabled and connected to an RPL...

CVE-2024-41126

Contiki-NG is an open-source, cross-platform operating system for IoT devices. An out-of-bounds read of 1 byte can be triggered when sending a packet to a device running the Contiki-NG operating system with SNMP enabled. The SNMP module is disabled in the default Contiki-NG configuration. The...

CVE-2024-41125

Contiki-NG is an open-source, cross-platform operating system for IoT devices. An out-of-bounds read of 1 byte can be triggered when sending a packet to a device running the Contiki-NG operating system with SNMP enabled. The SNMP module is disabled in the default Contiki-NG configuration. The...

CVE-2023-29001

Contiki-NG is an open-source, cross-platform operating system for IoT devices. The Contiki-NG operating system processes source routing headers SRH in its two alternative RPL protocol implementations. The IPv6 implementation uses the results of this processing to determine whether an incoming...

CVE-2023-29001 Uncontrolled recursion due to insufficient validation of the IPv6 source routing header in Contiki-NG

Contiki-NG is an open-source, cross-platform operating system for IoT devices. The Contiki-NG operating system processes source routing headers SRH in its two alternative RPL protocol implementations. The IPv6 implementation uses the results of this processing to determine whether an incoming...

CVE-2023-29001

CVE-2023-29001 affects Contiki-NG. The IPv6 SRH processing in Contiki-NG’s two RPL implementations can cause an uncontrolled recursion in the function tcpip_ipv6_output when a packet with a local next-hop address is received, potentially triggering a stack overflow. Exploitation requires attacker...

CVE-2023-29001 Uncontrolled recursion due to insufficient validation of the IPv6 source routing header in Contiki-NG

Contiki-NG is an open-source, cross-platform operating system for IoT devices. The Contiki-NG operating system processes source routing headers SRH in its two alternative RPL protocol implementations. The IPv6 implementation uses the results of this processing to determine whether an incoming...

CVE-2023-29001 Uncontrolled recursion due to insufficient validation of the IPv6 source routing header in Contiki-NG

Contiki-NG is an open-source, cross-platform operating system for IoT devices. The Contiki-NG operating system processes source routing headers SRH in its two alternative RPL protocol implementations. The IPv6 implementation uses the results of this processing to determine whether an incoming...

CVE-2024-41125

CVE-2024-41125 affects Contiki-NG. An out-of-bounds read of 1 byte can occur when processing SNMP packets in the SNMP BER decoder, specifically in os/net/app-layer/snmp/snmp-ber.c within the function snmp_ber_decode_string_len_buffer, where a byte is read without verifying the buffer has another ...

CVE-2024-41125 Out-of-bounds read in SNMP when decoding a string in Contiki-NG

Contiki-NG is an open-source, cross-platform operating system for IoT devices. An out-of-bounds read of 1 byte can be triggered when sending a packet to a device running the Contiki-NG operating system with SNMP enabled. The SNMP module is disabled in the default Contiki-NG configuration. The...