Re: SUMMARY: AntiFlash talkd
Gary Anderson (ganderson@clark.net)
Mon, 24 Apr 1995 19:33:08 -0400 (EDT)
On Mon, 24 Apr 1995, Richard Allen wrote:
> Date: Mon, 24 Apr 1995 11:03:11 +0000 (GMT)
> From: Richard Allen <ra@rhi.hi.is>
> To: bugtraq@fc.net
> Subject: SUMMARY: AntiFlash talkd
>
>
> I have recived quite alot of mail regarding my request for a talk daemon
> that can remove those annoying flashes. Apparently this is a hot issue,
> many people sent me Email saying that they where interested in this matter.
>
>
> Here are the most interesting replys I have recived so far.
>
[ SNIP ]
>
> Shortly after I sent my request to bugtraq, I got an idea to look around
> on my local Linux mirror and found "talkd+antiflash+hatemail.tar.gz"
> which basicly filters out flashes and then sends automatic 'hatemail' to
> root@remote.site
>
> However, I ran into problems compiling it on our HP9000's, Linux
> apparently has a '<protocols/talkd.h>' in it's system includes.
>
Richard,
You might want to look at the following, regarding
"talkd+antiflash+hatemail.tar.gz". It appeared on this list not too long
ago:
>From elias@power.netMon Apr 24 19:24:43 1995
>Date: Mon, 13 Mar 1995 01:08:30 -0800 (PST)
>From: Elias Levy <elias@power.net>
>Reply to: linux-security@tarsier.cv.nrao.edu
>To: linux-security@tarsier.cv.nrao.edu
>Subject: in.talkd+antiflash
>
>This message appeared in bugtraq and it applies to linux
>in.talkd with the antiflash patches found in sunsite.
>(What what that Olaf said? ALERT? :) )
>
>---------- Forwarded message ----------
>Date: Sat, 11 Mar 1995 02:00:47 +1100
>From: Julian Assange <proff@suburbia.apana.org.au>
>To: bugtraq@fc.net
>Subject: bsd in.talkd+antiflash remote-remote hole
>
>
>
>line ~160 process.c
>
> if (hp != (struct hostent *)0) {
> char sys_buf[150];
> int child;
> caller_host=hp->h_name;
>/*
> SECURITY BUG - Proff
> sprintf(sys_buf,"/etc/flash.mail %s",caller_host);
> system(sys_buf);
>*/
> }
> else
> caller_host="unknown";
>
>Modify your DNS hostfield to :
>
> ;any_command_you_want
>
>Set a talk flash to the site running the in.talkd d, and guess what
>happens?
>Cheers,
> Julian Assange -Proff-
__
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_/_/_/_/_/ _/_/_/_/_/ _/_/_/_/_/ _/ _/ | Gary Anderson
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