VYPR

uIP

by uIP

CVEs (6)

  • CVE-2020-17438CriDec 11, 2020
    risk 0.65cvss 9.8epss 0.19

    An issue was discovered in uIP 1.0, as used in Contiki 3.0 and other products. The code that reassembles fragmented packets fails to properly validate the total length of an incoming packet specified in its IP header, as well as the fragmentation offset value specified in the IP…

  • CVE-2020-17439HigDec 11, 2020
    risk 0.54cvss 8.3epss 0.03

    An issue was discovered in uIP 1.0, as used in Contiki 3.0 and other products. The code that parses incoming DNS packets does not validate that the incoming DNS replies match outgoing DNS queries in newdata() in resolv.c. Also, arbitrary DNS replies are parsed if there was any…

  • CVE-2020-17437HigDec 11, 2020
    risk 0.54cvss 8.2epss 0.03

    An issue was discovered in uIP 1.0, as used in Contiki 3.0 and other products. When the Urgent flag is set in a TCP packet, and the stack is configured to ignore the urgent data, the stack attempts to use the value of the Urgent pointer bytes to separate the Urgent data from the…

  • CVE-2020-24334HigDec 11, 2020
    risk 0.53cvss 8.2epss 0.02

    The code that processes DNS responses in uIP through 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 read and…

  • CVE-2020-24335HigFeb 2, 2021
    risk 0.49cvss 7.5epss 0.03

    An issue was discovered in uIP through 1.0, as used in Contiki and Contiki-NG. Domain name parsing lacks bounds checks, allowing an attacker to corrupt memory with crafted DNS packets.

  • CVE-2020-17440HigDec 11, 2020
    risk 0.49cvss 7.5epss 0.03

    An issue was discovered in uIP 1.0, as used in Contiki 3.0 and other products. The code that parses incoming DNS packets does not validate that domain names present in the DNS responses have '\0' termination. This results in errors when calculating the offset of the pointer that…