Re: An exploit for linux mh ver 6.8.4-5 ( update ) ...

[miquels () CISTRON NL (Miquel van Smoorenburg)]

In article <6f1d0j$8n9$1 () defiant cistron nl>,
Miquel van Smoorenburg <miquels () CISTRON NL> wrote:
> In article <Pine.LNX.3.96.980321161207.2339A-100000 () mercury redhat com>,
> Erik Troan <ewt () REDHAT COM> wrote:
> > On Sat, 21 Mar 1998, Catalin Mitrofan wrote:
> >
> > > host (user):~>. .mh_profile
> > > bash#
> >
> > Thanks for finding this -- I just put a fix on ftp.redhat.com.
>
> I've tried this with the Debian mh_6.8.4-17 package, and nothing happens.
> (It prints a lot of junk and then exits).  Also, mh_check is installed setgid
> mail, not setuid root.

I have checked the source, and the RedHat fix. It appears that the Debian
mh_6.8.4-17 *is* vulnerable, but not with Catalin's exploit (would probably
work with some hacking).

I've placed a bugreport, and a patch, with severity "critical" into
Debian's bugsystem. There should be a fix soon.

Mike.
--
 Miquel van Smoorenburg | Our vision is to speed up time,
    miquels () cistron nl  |   eventually eliminating it.