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contiki-ng contiki-ng vulnerabilities and exploits
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9.8
CVSSv3
CVE-2021-21280
Contiki-NG is an open-source, cross-platform operating system for internet of things devices. It is possible to cause an out-of-bounds write in versions of Contiki-NG before 4.6 when transmitting a 6LoWPAN packet with a chain of extension headers. Unfortunately, the written heade...
Contiki-ng Contiki-ng
7.5
CVSSv3
CVE-2021-21257
Contiki-NG is an open-source, cross-platform operating system for internet of things devices. The RPL-Classic and RPL-Lite implementations in the Contiki-NG operating system versions before 4.6 do not validate the address pointer in the RPL source routing header This makes it pos...
Contiki-ng Contiki-ng
9.1
CVSSv3
CVE-2021-21410
Contiki-NG is an open-source, cross-platform operating system for Next-Generation IoT devices. An out-of-bounds read can be triggered by 6LoWPAN packets sent to devices running Contiki-NG 4.6 and prior. The IPv6 header decompression function (<code>uncompress_hdr_iphc</c...
Contiki-ng Contiki-ng
9.8
CVSSv3
CVE-2021-21281
Contiki-NG is an open-source, cross-platform operating system for internet of things devices. A buffer overflow vulnerability exists in Contiki-NG versions before 4.6. After establishing a TCP socket using the tcp-socket library, it is possible for the remote end to send a packet...
Contiki-ng Contiki-ng
9.8
CVSSv3
CVE-2021-21282
Contiki-NG is an open-source, cross-platform operating system for internet of things devices. In versions before 4.5, buffer overflow can be triggered by an input packet when using either of Contiki-NG's two RPL implementations in source-routing mode. The problem has been pa...
Contiki-ng Contiki-ng
7.5
CVSSv3
CVE-2020-24335
An issue exists in uIP up to and including 1.0, as used in Contiki and Contiki-NG. Domain name parsing lacks bounds checks, allowing an malicious user to corrupt memory with crafted DNS packets.
Uip Project Uip
8.2
CVSSv3
CVE-2020-24334
The code that processes DNS responses in uIP up to and including 1.0, as used in Contiki and Contiki-NG, does not check whether the number of responses specified in the DNS packet header corresponds to the response data available in the DNS packet, leading to an out-of-bounds rea...
Uip Project Uip
9.8
CVSSv3
CVE-2020-24336
An issue exists in Contiki up to and including 3.0 and Contiki-NG up to and including 4.5. The code for parsing Type A domain name answers in ip64-dns64.c doesn't verify whether the address in the answer's length is sane. Therefore, when copying an address of an arbitra...
Contiki-ng Contiki-ng
Contiki-os Contiki
7.5
CVSSv3
CVE-2020-13988
An issue exists in Contiki up to and including 3.0. An Integer Overflow exists in the uIP TCP/IP Stack component when parsing TCP MSS options of IPv4 network packets in uip_process in net/ipv4/uip.c.
Contiki-ng Contiki-ng
9.8
CVSSv3
CVE-2020-14936
Buffer overflows were discovered in Contiki-NG 4.4 up to and including 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 snmp_oid_decode_oid() may overwrit...
Contiki-ng Contiki-ng
CVSSv3
CVSSv2
CVSSv3
VMScore
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