> -----Original Message----- > From: Bill Fumerola [SMTP:bi...@chc-chimes.com] > Sent: Wednesday, June 30, 1999 11:54 AM > To: David O'Brien > Cc: Bill Fumerola; hack...@freebsd.org > Subject: Re: tcpdump(1) additions. > > On Wed, 30 Jun 1999, David O'Brien wrote: > > > Hmmm.. but a non-superuser never sees any of those malicious packets, > and > the program is not installed suid, so how would that happen? [ML] Simple. One of these bad packets makes the currently executing copy of tcpdump (invoked by superuser) install a backdoor on the system. Probably with root privileges, too.
An actual exploit thereof is probably not that simple, but possible nevertheless. /Marino > - bill fumerola - bi...@chc-chimes.com - BF1560 - computer horizons > corp - > - ph:(800) 252-2421 - bfume...@computerhorizons.com - > bi...@freebsd.org - > > > > > > To Unsubscribe: send mail to majord...@freebsd.org > with "unsubscribe freebsd-hackers" in the body of the message To Unsubscribe: send mail to majord...@freebsd.org with "unsubscribe freebsd-hackers" in the body of the message