Displaying 1 result from an estimated 1 matches for "packetsniffer".
2005 Jul 14
2
[ronvdaal@zarathustra.linux666.com: Possible security issue with FreeBSD 5.4 jailing and BPF]
This message was sent to bugtraq today:
While playing around with FreeBSD 5.4 and jailing I discovered that it was
possible to put an ethernet interface into promiscious mode from within the
jailed environment, allowing a packetsniffer to gather data not meant for
the jailed box. This also affects FreeBSD 5.3 (tested) but not FreeBSD 4.x
This can be reproduced on boxes where BPF support is enabled in the kernel
and a BPF device is available in the jail (badly configured devfs/no rules)
The problem lies within the FreeBSD 5.x B...