DSA 992-1 affecting other packages?

2006-03-15 Thread Jonas Smedegaard
Hi, I noticed today on Debian Weekly News that FFMpeg has had a security-related bug. Are you aware that ffmpeg in Debian ships static libraries? If I understand correctly, this means other packages building against FFMpeg (Xine, GStreamer and VLC comes to my mind) actually contain a copy of the

Re: DSA 992-1 affecting other packages?

2006-03-15 Thread Moritz Muehlenhoff
Jonas Smedegaard wrote: Are you aware that ffmpeg in Debian ships static libraries? If I understand correctly, this means other packages building against FFMpeg (Xine, GStreamer and VLC comes to my mind) actually contain a copy of the libavcodec library rather than linking to it dynamically -

Re: [gna-private] [SECURITY] [DSA 987-1] New tar packages fix arbitrary code execution

2006-03-15 Thread Moritz Muehlenhoff
Moritz Muehlenhoff wrote: This question comes from time to time. If someone wants to write a FAQ entry for the Debian Security FAQ, please send it to [EMAIL PROTECTED] It's now documented in the Debian Security FAQ. Cheers, Moritz -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with

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2006-03-15 Thread Antonio David Lopez
-Mensaje original- De: Martin Schulze [mailto:[EMAIL PROTECTED] Enviado el: miƩrcoles, 15 de marzo de 2006 9:43 Para: Debian Security Announcements Asunto: [SECURITY] [DSA 1002-1] New webcalendar packages fix several vulnerabilities -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 -

Re: Idea to secure ssh

2006-03-15 Thread Goswin von Brederlow
Michel Messerschmidt [EMAIL PROTECTED] writes: Neal Murphy said: The point is to obscure the ssh server from everyone, including those who are authorized to access it remotely. You're right, this is just the old idea of security by obscurity. And quite pointless. Better install a fake sshd

Re: Idea to secure ssh

2006-03-15 Thread Goswin von Brederlow
Michael Stone [EMAIL PROTECTED] writes: On Mon, Mar 13, 2006 at 03:03:24PM -0500, Neal Murphy wrote: Yes, allowing UDP packets in is, in a sense, an open port, but it's a one-way port. UDP packets have a fixed maximum size and the information carried in the packet is trivial in nature; UDP

Re: Idea to secure ssh

2006-03-15 Thread Michael Stone
On Wed, Mar 15, 2006 at 02:35:53PM +0100, Goswin von Brederlow wrote: Michael Stone [EMAIL PROTECTED] writes: No, anyone can generate encrypted parts. IMHO, there's not much chance that the decryption routines in your magic udp parser are going to be less vulnerable than those in openssh

Re: Idea to secure ssh

2006-03-15 Thread Goswin von Brederlow
Michael Stone [EMAIL PROTECTED] writes: On Wed, Mar 15, 2006 at 02:35:53PM +0100, Goswin von Brederlow wrote: Michael Stone [EMAIL PROTECTED] writes: No, anyone can generate encrypted parts. IMHO, there's not much chance that the decryption routines in your magic udp parser are going to be

Re: Idea to secure ssh [was: howto block ssh brute-force]

2006-03-15 Thread Thomas Seliger
Neal Murphy wrote: The point is to reduce brute-forace attacks to the point of nearly total ineffectiveness. I use OpenSSH public/private key authentication to achieve this. Based on needs one could also use two factor authentication (e.g. one time password tokens) or even a combination of

Re: Serious bug in security update for Crypt::CBC

2006-03-15 Thread Kjetil Kjernsmo
Hi all! Sorry to be jumping in without preserving the In-Reply-To. Allard Hoeve wrote: I'm afraid this new package introduces some serious errors in software that depends on this package. I have tested the new package on three different Sarge machines with the following results. Please

Re: Idea to secure ssh

2006-03-15 Thread Michael Stone
On Wed, Mar 15, 2006 at 05:06:34PM +0100, Goswin von Brederlow wrote: His idea is to add a 100% non responsive knocking (using udp) before the actual ssh handshake so unauthorized clients can't even determine that sshd is running. Not that I find that usefull but thats the idea. Traditional

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2006-03-15 Thread Gary Foster
Gary Foster CTO, Pace Systems Group, Inc. office: 800-624-5999 x9104 mobile: 904-226-4901 fax:925-871-4511 -Original Message- From: Martin Schulze [mailto:[EMAIL PROTECTED] Sent: Wednesday, March 15, 2006 3:43 AM To: Debian Security Announcements Subject: [SECURITY] [DSA 1002-1]

Re: Idea to secure ssh

2006-03-15 Thread Neal Murphy
On Wednesday 15 March 2006 11:06, Goswin von Brederlow wrote: He trying to solve that a tcp connect to port 22 establishes a connection and thereby reveals that the server is running an sshd and attcking it makes sense. His idea is to add a 100% non responsive knocking (using udp) before the