Cisco IOS® Software contains a flaw that
permits the successful prediction of TCP Initial Sequence Numbers
This vulnerability is present in all released versions of Cisco IOS
software running on Cisco routers and switches It only affects the security of
TCP connections that originate or terminate on the affected Cisco device
itself; ...
source: wwwsecurityfocuscom/bid/670/info
A vulnerability in the Linux kernel allows remote users to guess the initial sequence number of TCP sessions This can be used to create spoofed TCP sessions bypassing some types of IP based access controls
The function 'secure_tcp_sequence_number' in the file 'drivers/char/randomc' at line 1684 ...
Vulmon