Re: [SECURITY] [DSA 1575-1] New Linux 2.6.18 packages fix denial of service

2008-05-13 Thread Dominic Hargreaves
On Mon, May 12, 2008 at 05:31:32PM -0600, dann frazier wrote: On Mon, May 12, 2008 at 11:52:27PM +0100, Dominic Hargreaves wrote: Is there any reason this has been labelled as a DoS rather than an potential arbitrary code execution issue (which

Re: [SECURITY] [DSA 1571-1] New openssl packages fix predictable random number generator

2008-05-13 Thread Philipp Kern
On Tue, May 13, 2008 at 02:06:39PM +0200, Florian Weimer wrote: A detector for known weak key material will be published at: http://security.debian.org/project/extra/dowkd/dowkd.pl.gz http://security.debian.org/project/extra/dowkd/dowkd.pl.gz.asc (OpenPGP signature) On stable I get

Re: [SECURITY] [DSA 1571-1] New openssl packages fix predictable random number generator

2008-05-13 Thread Marcin Owsiany
On Tue, May 13, 2008 at 02:06:39PM +0200, Florian Weimer wrote: It is strongly recommended that all cryptographic key material which has been generated by OpenSSL versions starting with 0.9.8c-1 on Debian systems is recreated from scratch. Does openssh store the generation date in the SSH

Re: Broken link on Debian CVE Web page (Was: [SECURITY] [DSA 1571-1] New openssl packages fix predictable random number generator

2008-05-13 Thread Cyril Brulebois
On 13/05/2008, Stephane Bortzmeyer wrote: By the way, the page http://www.debian.org/security/cve-compatibility has a link http://security-tracker.debian.org/, labeled The Debian Security Tracker has the canonical list of CVE names, corresponding Debian packages, and this link is broken:

Re: [SECURITY] [DSA 1571-1] New openssl packages fix predictable random number generator

2008-05-13 Thread Florian Weimer
* Dominic Hargreaves: On Tue, May 13, 2008 at 02:06:39PM +0200, Florian Weimer wrote: http://security.debian.org/project/extra/dowkd/dowkd.pl.gz.asc (OpenPGP signature) This URL 404s (but the tool URL doesn't... possibly encouraging bad practice in running unverified code) Yeah,

Re: [SECURITY] [DSA 1571-1] New openssl packages fix predictable random number generator

2008-05-13 Thread Florian Weimer
* Marcin Owsiany: On Tue, May 13, 2008 at 02:06:39PM +0200, Florian Weimer wrote: It is strongly recommended that all cryptographic key material which has been generated by OpenSSL versions starting with 0.9.8c-1 on Debian systems is recreated from scratch. Does openssh store the generation

Re: [SECURITY] [DSA 1571-1] New openssl packages fix predictable random number generator

2008-05-13 Thread daniel
very bad news On Tue, 13 May 2008 14:06:39 +0200, Florian Weimer [EMAIL PROTECTED] wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 - Debian Security Advisory DSA-1571-1 [EMAIL PROTECTED]

Re: [SECURITY] [DSA 1565-1] New Linux 2.6.18 packages fix several vulnerabilities

2008-05-13 Thread Mike Gerber
* Stephen Gran schrieb: I also do some rummaging around to figure out what the meta package is currently depending on, so that I know what vesion Debian currently considers newest, then compare that to /proc/version. That only works for etch and newer kernel images, though, so I think I'll

Re: [SECURITY] [DSA 1571-1] New openssl packages fix predictable random number generator

2008-05-13 Thread Vladislav Kurz
On Tuesday 13 of May 2008, Dominic Hargreaves wrote: On Tue, May 13, 2008 at 02:06:39PM +0200, Florian Weimer wrote: http://security.debian.org/project/extra/dowkd/dowkd.pl.gz.asc (OpenPGP signature) This URL 404s (but the tool URL doesn't... possibly encouraging bad practice in

Re: [SECURITY] [DSA 1571-1] New openssl packages fix predictable random number generator

2008-05-13 Thread Daniel Leidert
Am Dienstag, den 13.05.2008, 16:02 +0200 schrieb Daniel Leidert: Am Dienstag, den 13.05.2008, 15:27 +0200 schrieb Philipp Kern: On Tue, May 13, 2008 at 02:06:39PM +0200, Florian Weimer wrote: A detector for known weak key material will be published at:

Re: Broken link on Debian CVE Web page (Was: [SECURITY] [DSA 1571-1] New openssl packages fix predictable random number generator

2008-05-13 Thread Stephane Bortzmeyer
On Tue, May 13, 2008 at 03:44:24PM +0200, Cyril Brulebois [EMAIL PROTECTED] wrote a message of 31 lines which said: By the way, the page http://www.debian.org/security/cve-compatibility has a link http://security-tracker.debian.org/, labeled The Debian Security Tracker has the

Re: [SECURITY] [DSA 1571-1] New openssl packages fix predictable random number generator

2008-05-13 Thread Philipp Kern
On Tue, May 13, 2008 at 04:17:03PM +0200, Florian Weimer wrote: The $db-close call is wrong, you can just remove it, or download the new version (where this should be fixed). Works now, thanks. Kind regards, Philipp Kern -- .''`. Philipp Kern Debian Developer :

Re: [SECURITY] [DSA 1571-1] New openssl packages fix predictable random number generator

2008-05-13 Thread Nicolas Rachinsky
* Florian Weimer [EMAIL PROTECTED] [2008-05-13 14:06 +0200]: Luciano Bello discovered that the random number generator in Debian's openssl package is predictable. This is caused by an incorrect Debian-specific change to the openssl package (CVE-2008-0166). As a result, cryptographic key

Re: [SECURITY] [DSA 1571-1] New openssl packages fix predictable random number generator

2008-05-13 Thread Florian Weimer
* Nicolas Rachinsky: The diffs http://svn.debian.org/viewsvn/pkg-openssl/openssl/trunk/rand/md_rand.c?rev=141view=diffr1=141r2=140p1=openssl/trunk/rand/md_rand.cp2=/openssl/trunk/rand/md_rand.c and

Re: [SECURITY] [DSA 1571-1] New openssl packages fix predictable random number generator

2008-05-13 Thread Daniel Leidert
Am Dienstag, den 13.05.2008, 15:27 +0200 schrieb Philipp Kern: On Tue, May 13, 2008 at 02:06:39PM +0200, Florian Weimer wrote: A detector for known weak key material will be published at: http://security.debian.org/project/extra/dowkd/dowkd.pl.gz

Re: Broken link on Debian CVE Web page (Was: [SECURITY] [DSA 1571-1] New openssl packages fix predictable random number generator

2008-05-13 Thread Gerfried Fuchs
Am Dienstag, den 13.05.2008, 15:51 +0200 schrieb Stephane Bortzmeyer: On Tue, May 13, 2008 at 03:44:24PM +0200, packages, and this link is broken: there is no security-tracker.debian.org. Just in case you don't know about it yet, try .net. Nice and useful but the Web page should be

Re: [SECURITY] [DSA 1571-1] New openssl packages fix predictable random number generator

2008-05-13 Thread Michel Messerschmidt
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Florian Weimer said: The first vulnerable version, 0.9.8c-1, was uploaded to the unstable distribution on 2006-09-17, and has since propagated to the testing and current stable (etch) distributions. The old stable distribution (sarge) is not

Re: [SECURITY] [DSA 1571-1] New openssl packages fix predictable random number generator

2008-05-13 Thread Jan Luehr
Hello, Am Dienstag, 13. Mai 2008 schrieb [EMAIL PROTECTED]: [] openssl - predictable random number generator very bad news indeed - since I have to chip certificates for multiple OpenVPN networks :( (This time, I'll do it on OpenBSD ;) However, I'm curious: I could this happen? (Although

Re: [SECURITY] [DSA 1571-1] New openssl packages fix predictable random number generator

2008-05-13 Thread Vincent Bernat
OoO En ce début d'après-midi nuageux du mardi 13 mai 2008, vers 14:06, Florian Weimer [EMAIL PROTECTED] disait: Package: openssl Vulnerability : predictable random number generator Some other random questions: - It seems that firefox does not handle CRL unless manually imported,

Re: [SECURITY] [DSA 1571-1] New openssl packages fix predictable random number generator

2008-05-13 Thread paddy
On Tue, May 13, 2008 at 07:38:27PM +, Sam Morris wrote: On Tue, 13 May 2008 21:29:53 +0200, Vincent Bernat wrote: - It seems that firefox does not handle CRL unless manually imported, correct? This means that in most cases already issued certificates are still vulnerable

Re: [SECURITY] [DSA 1571-1] New openssl packages fix predictable random number generator

2008-05-13 Thread Jan Luehr
Hello, Am Dienstag, 13. Mai 2008 schrieb Vincent Bernat: OoO En ce début d'après-midi nuageux du mardi 13 mai 2008, vers 14:06, Florian Weimer [EMAIL PROTECTED] disait: Package: openssl Vulnerability : predictable random number generator Some other random questions: - It

Re: [SECURITY] [DSA 1571-1] New openssl packages fix predictable random number generator

2008-05-13 Thread John Keimel
On Tue, May 13, 2008 at 3:52 PM, Jan Luehr [EMAIL PROTECTED] wrote: For the last question, I see several solutions: - the user has to read the DSA and handle it himself Since some keys are generated automatically, (e.g. ssh host keys) users will have to regenerate keys,they haven't

Re: [SECURITY] [DSA 1571-1] New openssl packages fix predictable random number generator

2008-05-13 Thread Vincent Bernat
OoO En cette soirée bien amorcée du mardi 13 mai 2008, vers 22:21, John Keimel [EMAIL PROTECTED] disait: Since some keys are generated automatically, (e.g. ssh host keys) users will have to regenerate keys,they haven't generated in the first place and might not be aware of their existens.

Re: [SECURITY] [DSA 1571-1] New openssl packages fix predictable random number generator

2008-05-13 Thread Corey Hickey
Jan Luehr wrote: Hello, Am Dienstag, 13. Mai 2008 schrieb Corey Hickey: Jan Luehr wrote: Hello, Am Dienstag, 13. Mai 2008 schrieb Vincent Bernat: OoO En ce début d'après-midi nuageux du mardi 13 mai 2008, vers 14:06, Florian Weimer [EMAIL PROTECTED] disait: Package: openssl

Re: [SECURITY] [DSA 1571-1] New openssl packages fix predictable random number generator

2008-05-13 Thread John Keimel
On Tue, May 13, 2008 at 4:31 PM, Vincent Bernat [EMAIL PROTECTED] wrote: OoO En cette soirée bien amorcée du mardi 13 mai 2008, vers 22:21, John Keimel [EMAIL PROTECTED] disait: Since some keys are generated automatically, (e.g. ssh host keys) users will have to regenerate keys,they

Re: [SECURITY] [DSA 1571-1] New openssl packages fix predictable random number generator

2008-05-13 Thread Jan Luehr
Hello, Am Dienstag, 13. Mai 2008 schrieb Corey Hickey: Jan Luehr wrote: Hello, Am Dienstag, 13. Mai 2008 schrieb Vincent Bernat: OoO En ce début d'après-midi nuageux du mardi 13 mai 2008, vers 14:06, Florian Weimer [EMAIL PROTECTED] disait: Package: openssl

Re: [SECURITY] [DSA 1571-1] New openssl packages fix predictable random number generator

2008-05-13 Thread Corey Hickey
Jan Luehr wrote: Hello, Am Dienstag, 13. Mai 2008 schrieb Vincent Bernat: OoO En ce début d'après-midi nuageux du mardi 13 mai 2008, vers 14:06, Florian Weimer [EMAIL PROTECTED] disait: Package: openssl Vulnerability : predictable random number generator Some other random

Re: [SECURITY] [DSA 1571-1] New openssl packages fix predictable random number generator

2008-05-13 Thread Vincent Bernat
OoO En cette soirée bien amorcée du mardi 13 mai 2008, vers 22:38, John Keimel [EMAIL PROTECTED] disait: Restarting OpenSSH do not close existing connections. Yes, that's correct. I agree. But the instructions I saw were for 'shutting down the SSHD server' - not just 'restarting it'.

Re: [SECURITY] [DSA 1571-1] New openssl packages fix predictable random number generator

2008-05-13 Thread Jan Luehr
Hello, Am Dienstag, 13. Mai 2008 schrieb John Keimel: On Tue, May 13, 2008 at 4:31 PM, Vincent Bernat [EMAIL PROTECTED] wrote: OoO En cette soirée bien amorcée du mardi 13 mai 2008, vers 22:21, John Keimel [EMAIL PROTECTED] disait: Since some keys are generated automatically, (e.g.

Re: [SECURITY] [DSA 1571-1] New openssl packages fix predictable random number generator

2008-05-13 Thread dererk
On Tue, May 13, 2008 at 10:53:25PM +0200, Jan Luehr wrote: rm /etc/ssh/ssh_host_* ssh-keygen -t dsa -f /etc/ssh/ssh_host_dsa_key -N '' ssh-keygen -t rsa -f /etc/ssh/ssh_host_rsa_key -N '' /etc/init.d/ssh restart - job done. Keep smiling yanosz Shorter one: rm /etc/ssh/ssh_host_*

Re: [SECURITY] [DSA 1571-1] New openssl packages fix predictable random number generator

2008-05-13 Thread Raj Gurung
On May 13, 2008, at 2:35 PM, dererk wrote: On Tue, May 13, 2008 at 10:53:25PM +0200, Jan Luehr wrote: rm /etc/ssh/ssh_host_* ssh-keygen -t dsa -f /etc/ssh/ssh_host_dsa_key -N '' ssh-keygen -t rsa -f /etc/ssh/ssh_host_rsa_key -N '' /etc/init.d/ssh restart - job done. Keep smiling yanosz

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2008-05-13 Thread Welcome to
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Re: [SECURITY] [DSA 1571-1] New openssl packages fix predictable random number generator

2008-05-13 Thread Nick Boyce
Jan Luehr wrote: However, I'm curious: [how] could this happen? This is the best explanation I've seen so far : http://it.slashdot.org/comments.pl?sid=551636cid=23392602 I have no idea if it's correct, but it sounds very plausible. If there was any mistake it may have been to try too hard