Re: Debian libssl security (OpenSSH safe?)

2008-05-16 Thread Tim Post
On Thu, 2008-05-15 at 06:31 -0700, Darrin Chandler wrote: Can you explain why that's not effective? Do you know ssh-vulnkey (or the Perl script) does not reliably detect bad keys? Just to ensure I have facts separated from co-workers just going on paranoid tangents, I checked again and asked

Re: Debian libssl security (OpenSSH safe?)

2008-05-15 Thread Tim Post
On Thu, 2008-05-15 at 10:02 +0100, Dave Ewart wrote: Debian (and thus also Ubuntu) have released updated openssh packages which include a new tool called ssh-vulnkey which can be used to check the running system[1] for vulnerable keys: ssh-vulnkey works similarly to the Perl script in the

Re: Debian libssl security (OpenSSH safe?)

2008-05-15 Thread Dave Ewart
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On Thursday, 15.05.2008 at 07:11 +0200, Otto Moerbeek wrote: On Wed, May 14, 2008 at 07:43:25PM -0700, Darrin Chandler wrote: On Wed, May 14, 2008 at 10:22:11PM -0400, Ted Unangst wrote: On 5/14/08, Ben Calvert [EMAIL PROTECTED] wrote: On

Re: Debian libssl security (OpenSSH safe?)

2008-05-15 Thread Stuart Henderson
On 2008-05-15, Ben Calvert [EMAIL PROTECTED] wrote: and it only applies if you're using keys _without_passphrase_. Passphrases protect your on-disk copy of the key. The key can be re-encrypted with a different key, or decrypted and written out, it's still the same key. If you ssh-keygen -p, you

Re: Debian libssl security (OpenSSH safe?)

2008-05-15 Thread Darrin Chandler
On Thu, May 15, 2008 at 05:44:32PM +0800, Tim Post wrote: On Thu, 2008-05-15 at 10:02 +0100, Dave Ewart wrote: Debian (and thus also Ubuntu) have released updated openssh packages which include a new tool called ssh-vulnkey which can be used to check the running system[1] for vulnerable

Re: Debian libssl security (OpenSSH safe?)

2008-05-15 Thread Douglas A. Tutty
On Thu, May 15, 2008 at 12:53:06AM +, Jussi Peltola wrote: On Wed, May 14, 2008 at 05:30:18PM -0700, Ben Calvert wrote: On May 14, 2008, at 5:22 PM, Darrin Chandler wrote: On Thu, May 15, 2008 at 01:45:51AM +0200, raven wrote: do people actually allow remote root access ? for more

Re: More details show that someone seriously fucked up in debian. [Was: Re: Debian libssl security (OpenSSH safe?)]

2008-05-15 Thread Damien Miller
On Wed, 14 May 2008, chefren wrote: On 5/13/08 7:08 PM, Marc Espie wrote: More details show that someone seriously fucked up in debian. Well, this Kurt has seriously asked for details on the relevant openssl-dev list: http://marc.info/?l=openssl-devm=114651085826293w=2 And see what

Re: More details show that someone seriously fucked up in debian. [Was: Re: Debian libssl security (OpenSSH safe?)]

2008-05-14 Thread Otto Moerbeek
On Wed, May 14, 2008 at 12:48:41AM +0200, chefren wrote: On 5/13/08 7:08 PM, Marc Espie wrote: More details show that someone seriously fucked up in debian. Well, this Kurt has seriously asked for details on the relevant openssl-dev list:

Re: Debian libssl security (OpenSSH safe?)

2008-05-14 Thread Gabriel Linder
On Tue, 13 May 2008 11:14:59 -0500 Sean Malloy [EMAIL PROTECTED] wrote: On Tue, May 13, 2008 at 11:37:38AM -0400, Juan Miscaro wrote: I guess everyone by now has heard about the very serious libssl vulnerability on Debian/Ubuntu? Just making sure that the source is safe, thanks.

Re: Debian libssl security (OpenSSH safe?)

2008-05-14 Thread Otto Moerbeek
On Wed, May 14, 2008 at 09:41:43AM +0200, Gabriel Linder wrote: On Tue, 13 May 2008 11:14:59 -0500 Sean Malloy [EMAIL PROTECTED] wrote: On Tue, May 13, 2008 at 11:37:38AM -0400, Juan Miscaro wrote: I guess everyone by now has heard about the very serious libssl vulnerability on

Re: Debian libssl security (OpenSSH safe?)

2008-05-14 Thread Ted Unangst
On 5/14/08, Gabriel Linder [EMAIL PROTECTED] wrote: Just wondering... If someone generates ssh keys with flags J or Z set in malloc.conf(5), aren't these keys useless too (since feeding predictable data is more or less equal to not feeding data at all) ? feeding predictable data +

Re: More details show that someone seriously fucked up in debian. [Was: Re: Debian libssl security (OpenSSH safe?)]

2008-05-14 Thread Otto Moerbeek
On Wed, May 14, 2008 at 08:47:38AM +0200, Otto Moerbeek wrote: On Wed, May 14, 2008 at 12:48:41AM +0200, chefren wrote: On 5/13/08 7:08 PM, Marc Espie wrote: More details show that someone seriously fucked up in debian. Well, this Kurt has seriously asked for details on the relevant

Re: Debian libssl security (OpenSSH safe?)

2008-05-14 Thread raven
Ted Unangst ha scritto: On 5/14/08, Gabriel Linder [EMAIL PROTECTED] wrote: Just wondering... If someone generates ssh keys with flags J or Z set in malloc.conf(5), aren't these keys useless too (since feeding predictable data is more or less equal to not feeding data at all) ? A

Re: Debian libssl security (OpenSSH safe?)

2008-05-14 Thread Darrin Chandler
On Thu, May 15, 2008 at 01:45:51AM +0200, raven wrote: Ted Unangst ha scritto: On 5/14/08, Gabriel Linder [EMAIL PROTECTED] wrote: Just wondering... If someone generates ssh keys with flags J or Z set in malloc.conf(5), aren't these keys useless too (since feeding predictable data is

Re: Debian libssl security (OpenSSH safe?)

2008-05-14 Thread Ben Calvert
On May 14, 2008, at 5:22 PM, Darrin Chandler wrote: On Thu, May 15, 2008 at 01:45:51AM +0200, raven wrote: A decent analysis can be found here... just to understand what can do a comment /* */ :) http://blog.drinsama.de/erich/en/linux/2008051401-consequences-of-sslssh-weakness.html Are

Re: Debian libssl security (OpenSSH safe?)

2008-05-14 Thread Jussi Peltola
On Wed, May 14, 2008 at 05:30:18PM -0700, Ben Calvert wrote: On May 14, 2008, at 5:22 PM, Darrin Chandler wrote: On Thu, May 15, 2008 at 01:45:51AM +0200, raven wrote: A decent analysis can be found here... just to understand what can do a comment /* */ :)

Re: Debian libssl security (OpenSSH safe?)

2008-05-14 Thread Ted Unangst
On 5/14/08, Ben Calvert [EMAIL PROTECTED] wrote: On May 14, 2008, at 5:22 PM, Darrin Chandler wrote: Are you sure that's a decent analysis? If you have a non-debian system with the full number of keys available, what are the chances that you've landed on one of the 32767 keys? Not very

Re: Debian libssl security (OpenSSH safe?)

2008-05-14 Thread Darrin Chandler
On Wed, May 14, 2008 at 10:22:11PM -0400, Ted Unangst wrote: On 5/14/08, Ben Calvert [EMAIL PROTECTED] wrote: On May 14, 2008, at 5:22 PM, Darrin Chandler wrote: Are you sure that's a decent analysis? If you have a non-debian system with the full number of keys available, what are the

Re: Debian libssl security (OpenSSH safe?)

2008-05-14 Thread Ted Unangst
On 5/14/08, Darrin Chandler [EMAIL PROTECTED] wrote: Sure. Lots of those keys out there already. So is something like ssh-vulnkey the right approach? I do have a couple of users on one of my boxes. Mind, they're all good OpenBSD people and I really hope their keys didn't come from a debian

Re: Debian libssl security (OpenSSH safe?)

2008-05-14 Thread Otto Moerbeek
On Wed, May 14, 2008 at 07:43:25PM -0700, Darrin Chandler wrote: On Wed, May 14, 2008 at 10:22:11PM -0400, Ted Unangst wrote: On 5/14/08, Ben Calvert [EMAIL PROTECTED] wrote: On May 14, 2008, at 5:22 PM, Darrin Chandler wrote: Are you sure that's a decent analysis? If you have a

Re: Debian libssl security (OpenSSH safe?)

2008-05-13 Thread Sean Malloy
On Tue, May 13, 2008 at 11:37:38AM -0400, Juan Miscaro wrote: I guess everyone by now has heard about the very serious libssl vulnerability on Debian/Ubuntu? Just making sure that the source is safe, thanks. /juan Here is a quote from the official Debian Security announcement, DSA-1571

Re: Debian libssl security (OpenSSH safe?)

2008-05-13 Thread Marc Espie
On Tue, May 13, 2008 at 11:14:59AM -0500, Sean Malloy wrote: On Tue, May 13, 2008 at 11:37:38AM -0400, Juan Miscaro wrote: I guess everyone by now has heard about the very serious libssl vulnerability on Debian/Ubuntu? Just making sure that the source is safe, thanks. /juan Here

Re: Debian libssl security (OpenSSH safe?)

2008-05-13 Thread Marc Espie
On Tue, May 13, 2008 at 09:41:00PM +0400, B A wrote: Can't find relation between bug in openssl deb package and valgring. There is no such info in the original link as I see (DSA-1571-1). Cold you be more specific and informative? Thank you.

Re: Debian libssl security (OpenSSH safe?)

2008-05-13 Thread B A
Yes. Not good idea to modify sources just for satisfying automatic testings tool. Good lesson! 13.05.08, 21:53, Marc Espie [EMAIL PROTECTED]: On Tue, May 13, 2008 at 09:41:00PM +0400, B A wrote: Can't find relation between bug in openssl deb package and valgring. There is no such

Re: Debian libssl security (OpenSSH safe?)

2008-05-13 Thread B A
Can't find relation between bug in openssl deb package and valgring. There is no such info in the original link as I see (DSA-1571-1). Cold you be more specific and informative? Thank you. 13.05.08, 21:00, Marc Espie [EMAIL PROTECTED]: More details show that someone seriously fucked up

More details show that someone seriously fucked up in debian. [Was: Re: Debian libssl security (OpenSSH safe?)]

2008-05-13 Thread chefren
On 5/13/08 7:08 PM, Marc Espie wrote: More details show that someone seriously fucked up in debian. Well, this Kurt has seriously asked for details on the relevant openssl-dev list: http://marc.info/?l=openssl-devm=114651085826293w=2 And see what arrogant as usual Ben Laurie states: