Bugtraq archives for 1st quarter (Jan-Mar) 1999: Re: icq DOS / possible "stupid user" vulnerability.
Re: icq DOS / possible "stupid user" vulnerability.
Eddie Eddie (
desynk
HOTMAIL.COM)
Mon, 29 Mar 1999 13:25:09 PST
I also noticed that this works not just for "quit", but for any
misunderstood command.
Eddie
>From: "Ronald A. Jarrell" <jarrellVTSERF.CC.VT.EDU>
>Reply-To: "Ronald A. Jarrell" <jarrellVTSERF.CC.VT.EDU>
>To: BUGTRAQNETSPACE.ORG
>Subject: icq DOS / possible "stupid user" vulnerability.
>Date: Mon, 29 Mar 1999 01:07:18 -0500
>
>Ok, I was a bit surprised when, in playing with the new ICQ99a build
1700 v2.13
>client (which I believe is the first publicly distributed one of the
>99 family), I turned on the "Activate my home page" feature, and turned
>my laptop into a web server...
>
>Complete with a file server that allows by default anything in the
>"program files\icq\homepage\root\YOUR#\files" folder to be requested.
>Even set up a guest book, chat service, etc...
>
>After getting over being astonished (yea, they said "turning this on
>might increase people's access to your machine, and tell them your
>ip address" - of course it will. You're setting up a bloody web server
>you idiots. A bad one at that.) I naturally started doing some poking.
>
>Telnet to your port 80, and enter some non http gibberish. I tried
>"quit<cr>" for grins. Blam. Down goes the ICQ client with a GPF.
>Got someone else to turn theirs on, and sure enough, managed to shoot
>him down too.
>
>I warned Mirabilis about it. Folks at institutions that worry about
>such things, but let their employees run ICQ might want to be aware
>that said employees might well be running web servers now and not
>evening know it. On you ICQ contact list, if they're on it, said
>users show up with a little house next to their name.
>
>--
>Ron Jarrell
>VA Tech Computing Center
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