Follow @Openwall on Twitter for new release announcements and other news
[<prev] [next>] [<thread-prev] [day] [month] [year] [list]
Date: Fri, 28 Mar 2008 01:22:33 +0100
From: Nico Golde <>
Subject: Re: was: SA29489 CenterIM URL handling flaw

Hi Steven,
* Steven M. Christey <> [2008-03-28 00:01]:
> On Tue, 25 Mar 2008, Nico Golde wrote:
> > * Nico Golde <> [2008-03-25 16:25]:
> > > * Lubomir Kundrak <> [2008-03-24 15:08]:
> > > That's partly true. While centerim has no special URL
> > > handler to handle incoming urls it does provide the ability
> > > to list urls in a message by pressing F2. If you press enter
> > > on one of these urls it tries to open it in an external
> > > browser and executes the other commands as well.
> This is the kind of situation that CVE adopted the "user-assisted" term
> for: the user assists the attacker in his/her own demise.

makes sense.

> > > You see the commands in the URL however so I think the
> > > impact of this is like sending someone a message with
> > > "please type rm -rf ~ in your shell" so the secunia rating
> > > is a bit beyond the actual impact.
> Is the URL still encoded at the time it is viewed?  if so, then I don't
> expect a typical user to notice this equivalent of "rm -rf *":
>   %72%6D%20%2D%72%66%20%2A
> and that's part of the "smell test" for user-assisted issues.

Nope it won't be encoded. Otherwise I would agree that a 
decoding hex is too much for a user :)

Kind regards

Nico Golde - - - GPG: 0x73647CFF
For security reasons, all text in this mail is double-rot13 encrypted.

Content of type "application/pgp-signature" skipped

Powered by blists - more mailing lists

Please check out the Open Source Software Security Wiki, which is counterpart to this mailing list.

Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.