Re: protection against buffer overflows

2002-01-24 Thread Alan James
On Wed, 23 Jan 2002 18:03:26 -0500 (EST), Emmanuel Valliet [EMAIL PROTECTED] wrote: There was a good article of Aleph One on buffer overflows called 'Smashing the stack for fun and profit'. Phrack 49. Search the web and enjoy :) I found this one to be quite informative too:

Spam Apology

2002-01-24 Thread David Ehle
To all: Sorry about including the list in reply. David. -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of unsubscribe. Trouble? Contact [EMAIL PROTECTED]

Re: Re[2]: protection against buffer overflows

2002-01-24 Thread Alexander Clouter
On Jan 23, [EMAIL PROTECTED] wrote: it indeed sounds VERY interesting (not only to me) :-) although I never dealt with special kernel modifications. But I'll give it a go..can anyone recommend any other kernel security patch sites? ..would be great! the only thing you need to bear in mind

Re: /bin/passwd as shell

2002-01-24 Thread Rob VanFleet
On Thu, Jan 24, 2002 at 07:23:35AM +0100, martin f krafft wrote: also sprach Rob VanFleet On this list (I beleive) I saw someone mention the use of /bin/passwd as a shell for mail-only users so they can easily change their password without having to ask someone. Is this a secure

Re: /bin/passwd as shell

2002-01-24 Thread David N Moore
On Thu, Jan 24, 2002 at 11:17:59AM -0600, Rob VanFleet wrote: On Thu, Jan 24, 2002 at 07:23:35AM +0100, martin f krafft wrote: also sprach Rob VanFleet On this list (I beleive) I saw someone mention the use of /bin/passwd as a shell for mail-only users so they can easily change

Re: /bin/passwd as shell

2002-01-24 Thread Ralf Dreibrodt
Hi, David N Moore wrote: i'm a new poster here, but one thing that strikes me is that the source to passwd should be hanging around somewhere. It wouldn't be incredibly difficult to make a custom version which does not ask for the original password, right? Then you could set it to be the

Re: [d-security] Re: /bin/passwd as shell

2002-01-24 Thread Christian Hammers
On Thu, Jan 24, 2002 at 07:05:54PM +0100, Ralf Dreibrodt wrote: and then no user, who has a valid shell has to enter the old password from user x, when he wants to change the password of user x. perhaps even if x=root ;-) You have to enter it once for the ssh daemon anyways. He just wanted to

Re: protection against buffer overflows

2002-01-24 Thread Preben Randhol
And if one do: procedure example is type C_String_Type is array (1..10) of Character; a : C_String_type; begin a := ('1','2','3','4','5','6','7','8','9','A','B','C','D'); end example; then when compiling: % gnatmake example.adb gnatgcc -c example.adb

Re: /bin/passwd as shell

2002-01-24 Thread Moses Moore
martin f krafft wrote: that was me, and no, noone has mentioned any bad aspects yet, other than your users having to type the old password twice. however, it's not the solution i amlooking for, so i am implementing a highly secure way to do it over and SSL/TLS-encrypted webform with emphasis

Re: how to create MD5 passwords

2002-01-24 Thread Philippe Troin
Michael Wood [EMAIL PROTECTED] writes: On Thu, Jan 24, 2002 at 08:56:56AM +0100, Rainer Sigl wrote: Hi everyone, please can me tell somebody how to make MD5 passwords in order to supply it to ftppasswd file? You just need to call the standard crypt() function with the apropriate

RE:SpamAssassin (Was Re: SOME ITEMS THAT YOU MAY BE INTERESTED IN OR BE ABLE TO ADVISE ME ON)

2002-01-24 Thread Jeremy L. Gaddis
Heh, what's funny is that SpamAssassin tagged this message you sent as spam and sent it to my spam folder. j. -- Jeremy L. Gaddis [EMAIL PROTECTED] -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of Bryan Andersen Sent: Thursday, January 24, 2002 7:04

Re: SpamAssassin (Was Re: SOME ITEMS THAT YOU MAY BE INTERESTED IN OR BE ABLE TO ADVISE ME ON)

2002-01-24 Thread Luca Filipozzi
On Fri, Jan 25, 2002 at 08:31:24AM +0100, Oliver M . Bolzer wrote: I've heard Razor is (configurabule) part of SpamAssassin. I'd recommend disabling that check because somebody is tagging about 1/3 of Bugtraq mail in Razor thus sending it to the Spam folder. Or you can add whitelist_from

how to create MD5 passwords

2002-01-24 Thread Rainer Sigl
Hi everyone, please can me tell somebody how to make MD5 passwords in order to supply it to ftppasswd file? Thanks Rainer Sigl

Re: how to create MD5 passwords

2002-01-24 Thread Michael Wood
On Thu, Jan 24, 2002 at 08:56:56AM +0100, Rainer Sigl wrote: Hi everyone, please can me tell somebody how to make MD5 passwords in order to supply it to ftppasswd file? You just need to call the standard crypt() function with the apropriate arguments. You can use perl or python or C or

Re: SOME ITEMS THAT YOU MAY BE INTERESTED IN OR BE ABLE TO ADVISE ME ON

2002-01-24 Thread Robert van der Meulen
Hi, Quoting James ([EMAIL PROTECTED]): We could start by blocking @aol.com =) Or by all running good anti-spam measures and not replying to spam; I didn't even know it was there until people started replying to it, and i had to look up the original posting in my spam folder.. Greets,

Re: protection against buffer overflows

2002-01-24 Thread Alan James
On Wed, 23 Jan 2002 18:03:26 -0500 (EST), Emmanuel Valliet [EMAIL PROTECTED] wrote: There was a good article of Aleph One on buffer overflows called 'Smashing the stack for fun and profit'. Phrack 49. Search the web and enjoy :) I found this one to be quite informative too:

Spam Apology

2002-01-24 Thread David Ehle
To all: Sorry about including the list in reply. David.

Re: Re[2]: protection against buffer overflows

2002-01-24 Thread Alexander Clouter
On Jan 23, [EMAIL PROTECTED] wrote: it indeed sounds VERY interesting (not only to me) :-) although I never dealt with special kernel modifications. But I'll give it a go..can anyone recommend any other kernel security patch sites? ..would be great! the only thing you need to bear in mind

Re: /bin/passwd as shell

2002-01-24 Thread Rob VanFleet
On Thu, Jan 24, 2002 at 07:23:35AM +0100, martin f krafft wrote: also sprach Rob VanFleet On this list (I beleive) I saw someone mention the use of /bin/passwd as a shell for mail-only users so they can easily change their password without having to ask someone. Is this a secure

Re: /bin/passwd as shell

2002-01-24 Thread David N Moore
On Thu, Jan 24, 2002 at 11:17:59AM -0600, Rob VanFleet wrote: On Thu, Jan 24, 2002 at 07:23:35AM +0100, martin f krafft wrote: also sprach Rob VanFleet On this list (I beleive) I saw someone mention the use of /bin/passwd as a shell for mail-only users so they can easily change

Re: /bin/passwd as shell

2002-01-24 Thread Ralf Dreibrodt
Hi, David N Moore wrote: i'm a new poster here, but one thing that strikes me is that the source to passwd should be hanging around somewhere. It wouldn't be incredibly difficult to make a custom version which does not ask for the original password, right? Then you could set it to be the

Re: [d-security] Re: /bin/passwd as shell

2002-01-24 Thread Christian Hammers
On Thu, Jan 24, 2002 at 07:05:54PM +0100, Ralf Dreibrodt wrote: and then no user, who has a valid shell has to enter the old password from user x, when he wants to change the password of user x. perhaps even if x=root ;-) You have to enter it once for the ssh daemon anyways. He just wanted to

Re: protection against buffer overflows

2002-01-24 Thread Preben Randhol
Alvin Oga [EMAIL PROTECTED] wrote on 24/01/2002 (11:13) : hi ya ralf i would have thought that gcc would barf on b[20]='X' and similarly for theother variable assignments since its not prev allocated/defined.. and yet explicitly assigned (incorrectly??)... Why there are no range tests in

Re: protection against buffer overflows

2002-01-24 Thread Preben Randhol
And if one do: procedure example is type C_String_Type is array (1..10) of Character; a : C_String_type; begin a := ('1','2','3','4','5','6','7','8','9','A','B','C','D'); end example; then when compiling: % gnatmake example.adb gnatgcc -c example.adb

Re: /bin/passwd as shell

2002-01-24 Thread Moses Moore
martin f krafft wrote: that was me, and no, noone has mentioned any bad aspects yet, other than your users having to type the old password twice. however, it's not the solution i amlooking for, so i am implementing a highly secure way to do it over and SSL/TLS-encrypted webform with emphasis

Re: how to create MD5 passwords

2002-01-24 Thread Philippe Troin
Michael Wood [EMAIL PROTECTED] writes: On Thu, Jan 24, 2002 at 08:56:56AM +0100, Rainer Sigl wrote: Hi everyone, please can me tell somebody how to make MD5 passwords in order to supply it to ftppasswd file? You just need to call the standard crypt() function with the apropriate

Re: SOME ITEMS THAT YOU MAY BE INTERESTED IN OR BE ABLE TO ADVISE ME ON

2002-01-24 Thread Sebastian Rittau
On Thu, Jan 24, 2002 at 09:34:35AM +0100, Robert van der Meulen wrote: Quoting James ([EMAIL PROTECTED]): We could start by blocking @aol.com =) Or by all running good anti-spam measures and not replying to spam; I didn't even know it was there until people started replying to it, and i had

SpamAssassin (Was Re: SOME ITEMS THAT YOU MAY BE INTERESTED IN OR BE ABLE TO ADVISE ME ON)

2002-01-24 Thread Bryan Andersen
Sebastian Rittau wrote: On Thu, Jan 24, 2002 at 09:34:35AM +0100, Robert van der Meulen wrote: Quoting James ([EMAIL PROTECTED]): We could start by blocking @aol.com =) Or by all running good anti-spam measures and not replying to spam; I didn't even know it was there until people

RE:SpamAssassin (Was Re: SOME ITEMS THAT YOU MAY BE INTERESTED IN OR BE ABLE TO ADVISE ME ON)

2002-01-24 Thread Jeremy L. Gaddis
Heh, what's funny is that SpamAssassin tagged this message you sent as spam and sent it to my spam folder. j. -- Jeremy L. Gaddis [EMAIL PROTECTED] -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Bryan Andersen Sent: Thursday, January 24, 2002 7:04 PM