Packet Tuesday - FreeBSD Ping Vulnerability
This episode will cover a recent vulnerabity in the FreeBSD "ping" utility. To explain what is happening with this vulnerablity, we will cover ICMP errors.
Notes:
SEC503 Network Monitoring and Threat Detection In-Depth: https://www.sans.org/u/1obN
Vulnerability: https://www.freebsd.org/security/advi...
ping.c source code: https://github.com/RTEMS/rtems-libbsd...
ip.h source code: https://github.com/leostratus/netinet...
RFC792: https://www.rfc-editor.org/rfc/rfc792
Packet: https://packettuesday.com/pcaps/icmpe...