oss-security - Re: Re: More arbitrary code executions in Netrw version 125, Vim 7.2a.10

Follow @Openwall on Twitter for new release announcements and other news

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date: Sun, 13 Jul 2008 01:35:42 +0100
From: "Jan Minář" <rdancer@...ncer.org>
To: "Tomas Hoger" <thoger@...hat.com>
Cc: oss-security@...ts.openwall.com, 
	"Jonathan Smith" <smithj@...ethemallocs.com>, coley@...us.mitre.org, 
	"Bram Moolenaar" <Bram@...lenaar.net>, 
	"Charles E Campbell, Jr" <drchip@...pbellfamily.biz>
Subject: Re: Re: More arbitrary code executions in Netrw version 125, Vim 7.2a.10

Hi!

Thanks for CCing me.  Thomas's observations are right.

On Thu, Jul 10, 2008 at 5:55 PM, Tomas Hoger <thoger@...hat.com> wrote:

> obvious to me why zip and tar tests are included in the test suite.
> Maybe just to point out that those issues are still unfixed.

Indeed, I included all that had not been fixed in the test suite.

> Moreover, if you diff zipplugin directories in vulnerablevim.tar.bz2
> and vulnerablevim-netrw.tar.bz2, you will see this test did not change
> at all between the two test suites.  So CVE-2008-3075 should already
> be covered by previous CVE-2008-2712.

The zip exploit is the same.  It still has not been fixed as of Vim
7.2a.19/zip.vim v19.

> tarplugin test was updated since the first test suite to use different
> payload.  I'm not really sure if it is the same issue or not, but the
> new exploit is blocked by the previously proposed Jan's patch.  So it
> may be the same issue as described in the first advisory.  Btw,

There are two attack vectors, both fixed in the original patch of
mine.  I only updated the tarplugin exploit to use the other vector.

> CVE-2008-2712 description does not mention tar.vim issue.  It is
> described in 3.4.2.3, but its test does not seem to be run when doing
> make test for the top-most Makefile in the first test suite.

That's correct, I omitted the test from the top-most Makefile by mistake.

Hope that helps.
Jan.

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.