CVE-2021-31401

An issue was discovered in tcprcv in nptcp.c in HCC embedded InterNiche 4.0.1. The TCP header processing code doesn't sanitize the value of the IP total length field header length + data length. With a crafted IP packet, an integer overflow occurs whenever the value of the IP data length is...

CVE-2021-31401

CVE-2021-31401 affects HCC Embedded’s InterNiche/NicheStack TCP/IP stack (InterNiche 4.0.1). The issue is an improper input validation in TCP/IP processing: the TCP/IP stack does not validate the IP total length, allowing a crafted IP packet to trigger an integer overflow in tcp_rcv() (nptcp.c). ...