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 that in

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 can

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
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 save

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

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 cannot

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 it

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 with

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 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 to your

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 I send this

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 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 can do it

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, anyone can

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 an

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

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

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

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 shared

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 between

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's a

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

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' mapping

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

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

Re: Grsec/PaX and Exec-shield

2003-11-03 Thread Branden Robinson
On Mon, Nov 03, 2003 at 02:26:42PM -0300, Tiago Assumpo wrote: First of all, maybe the most important, we have the freedom problem here. Its 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 even

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 the