Follow @Openwall on Twitter for new release announcements and other news
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date: Tue, 8 Mar 2011 03:00:11 +0300
From: "Dmitry V. Levin" <>
Subject: Re: ldd can execute an app unexpectedly

On Mon, Mar 07, 2011 at 06:27:05PM -0500, Steve Grubb wrote:
> Besides telling everyone don't do that. ldd could take the PoV that it should only 
> call runtime linkers in trusted directories like /sbin or /usr/sbin. Or it could 
> simply detect that another linker was requested and make you add a "--force" so that 
> you are fully aware that you just let another linker run. (The suggested patch can 
> certainly be improved. But its here just in case you want it.)

In June of 2002, I suggested to change ldd to avoid invoking programs
directly, even when it seems like that would work, and invoke the dynamic
linker as a program instead.
This change was implemented at least in Owl and ALT Linux:;a=commitdiff;h=788577027d2950e9508a434475e04c3af864d169


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.