CVE-2022-0982 Buffer Overflow via crafted client request in Accel-PPP v1.12

The telnetinputchar function in opt/src/accel-pppd/cli/telnet.c suffers from a memory corruption vulnerability, whereby user input cmdlinelen is copied into a fixed buffer b-buf without any bound checks. If the server connects with a malicious client, crafted client requests can remotely trigger...