Re: Grsec/PaX and Exec-shield

2003-11-05 Thread Rob Weir
On Tue, Nov 04, 2003 at 12:39:46PM +0100, Peter Busser said > > On Tue, 04 Nov 2003, Peter Busser wrote: > > > In fact, anyone can do it Russell, I'm pretty sure even you can do > > > it: > > Why not volunteer to make the .deb, get a sponsor and get it uploaded > > then? > > Good idea! Already did

Re: Grsec/PaX and Exec-shield

2003-11-04 Thread spender
> yes. It's a compatible opt-in for something that cannot be enabled for all > binaries, instead of an opt-out. You say it's a bug, i say it's a feature. > A really bad analogy: it's like spam, you want to opt-in not opt-out ;) That is indeed a really bad analogy. Security shouldn't be as unwan

Re: Grsec/PaX and Exec-shield

2003-11-04 Thread Ingo Molnar
On Tue, 4 Nov 2003 [EMAIL PROTECTED] wrote: > [...] Exec-shield "can" stop, but "will" stop is a completely different > matter. I'll let the bugfixed paxtest tell this story, however. i am 100% sure that by taking the range-property of exec-shield into account you can construct 'bugfixed' mappin

re: Grsec/PaX and Exec-shield

2003-11-04 Thread Andrew Saunders
On Tue 4 November, spender wrote: > I've spared you your precious time and gone ahead and done this for > you. You might have a better reception if you dropped the attitude. Anyone reading the thread will quickly form the opinion that maintaining PaX within Debian would likely require frequent i

Re: Grsec/PaX and Exec-shield

2003-11-04 Thread Ingo Molnar
On Tue, 4 Nov 2003 [EMAIL PROTECTED] wrote: > [...] the main point of my argument: exec-shield=2 means enabling > exec-shield on all binaries but the ones it is disabled for. This would > be a secure-by-default design, and yet it's being recommended for > "testing purposes" only? [...] yes. It

Re: Grsec/PaX and Exec-shield

2003-11-04 Thread spender
On Tue, Nov 04, 2003 at 06:49:58PM +0100, Ingo Molnar wrote: > > On Tue, 4 Nov 2003 [EMAIL PROTECTED] wrote: > > > [...] Are you so certain that Exec-shield stops execution in shared > > library bss/data? [...] > > no, it doesnt, this is the main (and pretty much only) substantial > difference b

Re: Grsec/PaX and Exec-shield

2003-11-04 Thread viro
On Tue, Nov 04, 2003 at 07:51:52PM +0100, Josselin Mouette wrote: > Le mar 04/11/2003 à 16:56, [EMAIL PROTECTED] a écrit : > > Also, I think both you and Ingo will be interested to see the results of > > a bugfixed version of paxtest. Are you so certain that Exec-shield > > stops execution in sh

Re: Grsec/PaX and Exec-shield

2003-11-04 Thread Josselin Mouette
Le mar 04/11/2003 à 16:56, [EMAIL PROTECTED] a écrit : > Also, I think both you and Ingo will be interested to see the results of > a bugfixed version of paxtest. Are you so certain that Exec-shield > stops execution in shared library bss/data? Or did you just say it > because that's what a pr

Re: Grsec/PaX and Exec-shield

2003-11-04 Thread Ingo Molnar
On Tue, 4 Nov 2003 [EMAIL PROTECTED] wrote: > [...] Are you so certain that Exec-shield stops execution in shared > library bss/data? [...] no, it doesnt, this is the main (and pretty much only) substantial difference between exec-shield and PaX. Exec-shield will stop execution in ET_EXEC binary

Re: Grsec/PaX and Exec-shield

2003-11-04 Thread Michael Ablassmeier
On Tue, Nov 04, 2003 at 10:56:23AM -0500, [EMAIL PROTECTED] wrote: > Now surely, Russell, a "security expert" such as yourself is capable of > copy+pasting that last reject in the file. Doing this took one minute. > I would imagine this was much less time than it took for you to write > your i

Re: Grsec/PaX and Exec-shield

2003-11-04 Thread spender
> Also note that I use LSM on all my kernels, so anything that conflicts with > LSM is something that I have no ability to test and therefore no interest in > maintaining. I'm sure I could get PaX working with LSM, but it would take > some work. Anyway I'll look into this matter after I upload

Re: Grsec/PaX and Exec-shield

2003-11-04 Thread Russell Coker
On Tue, 4 Nov 2003 19:53, Peter Busser wrote: > > I volunteered to make a package for exec-shield because it meets the > > Debian criteria, I have time to do it, and it interests me.  PaX would > > take much more time so I can't do it. > > You cannot do it or you don't want to do it? In fact, anyon

Re: Grsec/PaX and Exec-shield

2003-11-04 Thread Lukas Geyer
Peter Busser <[EMAIL PROTECTED]> writes: > > I volunteered to make a package for exec-shield because it meets > > the Debian criteria, I have time to do it, and it interests me. > > PaX would take much more time so I can't do it. > > You cannot do it or you don't want to do it? In fact, anyone ca

Re: Grsec/PaX and Exec-shield

2003-11-04 Thread Tommi Virtanen
Peter Busser wrote: Summary: i can see no significant differences between the paxtest output - all the differences seem to be bogus, see the details below. Fact is: There is a difference in paxtest output between PaX and exec-shield. And it is not a difference in exec-shield's advantage. Peter, no

Re: Grsec/PaX and Exec-shield

2003-11-04 Thread Mario Lang
Peter Busser <[EMAIL PROTECTED]> writes: >> On Tue, 04 Nov 2003, Peter Busser wrote: >> > In fact, anyone can do it Russell, I'm pretty sure even you can do >> > it: >> Why not volunteer to make the .deb, get a sponsor and get it uploaded >> then? > > Good idea! Already did that in fact. So who do

Re: Grsec/PaX and Exec-shield

2003-11-04 Thread Ingo Molnar
On Tue, 4 Nov 2003, Peter Busser wrote: > > the reply below is mostly a re-send of a mail i sent to you privately > > but you repeat this argument again without any apparent answer to my > > counter-arguments. > > I already suggested you to reread the PaX documentation, there are the > answers

Re: Grsec/PaX and Exec-shield

2003-11-04 Thread Andreas Schuldei
* Peter Busser ([EMAIL PROTECTED]) [031104 13:55]: > You didn't touch the other facts in the list, because you know you don't have > any proof to easily dismiss them. You would be my hero if you succeeded in > improving on PaX. But in all honesty, exec-shield does not do that I'm afraid. > In fact,

Re: Grsec/PaX and Exec-shield

2003-11-04 Thread Michael Ablassmeier
On Tue, Nov 04, 2003 at 12:39:46PM +0100, Peter Busser wrote: > > Why not volunteer to make the .deb, get a sponsor and get it uploaded > > then? > > Good idea! Already did that in fact. So who do I send this new kernel-source > .deb to? You can use the mentors service to exchange your packages w

Re: Grsec/PaX and Exec-shield

2003-11-04 Thread Peter Busser
Hi! > the reply below mostly a re-sent of a mail i sent to you privately - but > you repeat this argument again without any apparent answer to my > counter-arguments. I already suggested you to reread the PaX documentation, there are the answers to your questions. There is no need to copy/paste i

Re: Grsec/PaX and Exec-shield

2003-11-04 Thread Peter Busser
Hi! > [NB: When reponsding using the web archives, please get the References > and In-Reply-To: correctly. You may also consider setting MFT:] I can't post from the lists.debian.org site. > On Tue, 04 Nov 2003, Peter Busser wrote: > >> PaX would take much more time so I can't do it. > > > > You

Re: Grsec/PaX and Exec-shield

2003-11-04 Thread Ingo Molnar
On Tue, 4 Nov 2003, Peter Busser wrote: > - Running paxtest shows the differences between PaX and exec-shield. > Everyone is invited to run paxtest to see for yourself. the reply below mostly a re-sent of a mail i sent to you privately - but you repeat this argument again without any appar

Re: Grsec/PaX and Exec-shield

2003-11-04 Thread Peter Busser
Thomas Viehmann wrote: > So, please don't start insulting and accusing people for doing good work > and proposing to do even more of it. If there are technical reasons that > cause you to prefer that exec-shield does not become part of Debian's > standard kernel, just put them on the table, but sa

Re: Grsec/PaX and Exec-shield

2003-11-04 Thread Don Armstrong
[NB: When reponsding using the web archives, please get the References and In-Reply-To: correctly. You may also consider setting MFT:] On Tue, 04 Nov 2003, Peter Busser wrote: >> PaX would take much more time so I can't do it. > > You cannot do it or you don't want to do it? Russell has made it

Re: Grsec/PaX and Exec-shield

2003-11-04 Thread Peter Busser
Hi! > I volunteered to make a package for exec-shield because it meets the Debian > criteria, I have time to do it, and it interests me. PaX would take much > more time so I can't do it. You cannot do it or you don't want to do it? In fact, anyone can do it Russell, I'm pretty sure even you ca

Re: Grsec/PaX and Exec-shield

2003-11-03 Thread Bernhard R. Link
* Tiago Assumpção <[EMAIL PROTECTED]> [031103 17:48]: > I won't say here that Red Hat, Inc. would be manipulating information > to force Debian users to use one of their products, because I would be going > down, at the same level as Coker. This should be teached in schoolbooks as paralipsis. And

Re: Grsec/PaX and Exec-shield

2003-11-03 Thread Branden Robinson
On Mon, Nov 03, 2003 at 02:26:42PM -0300, Tiago AssumpÃÃo wrote: > First of all, maybe the most important, we have the freedom problem here. > Itïs CLEAR, after analyzing his own words, that our friend Russell Coker > has a big interest of getting Exec-shield as part of Debian Linux. > That becomes

Re: Grsec/PaX and Exec-shield

2003-11-03 Thread Steve Greenland
On 03-Nov-03, 11:26 (CST), Tiago Assump??o <[EMAIL PROTECTED]> wrote: > First of all, maybe the most important, we have the freedom problem here. > It?s CLEAR, after analyzing his own words, that our friend Russell Coker > has a big interest of getting Exec-shield as part of Debian Linux. > That b