Re: [CORE SDI ADVISORY] SSH1 session key recovery vulnerability

2001-02-10 Thread David Wagner
Maybe there's a lesson to be learned from this SSH advisory: "Attacks always get better; they never get worse" [1]. I spent a little time looking for Bleichenbacher attacks on SSH more than two years ago. There was obviously a side channel disclosing decryption failures, but the best attack I

Re: [CORE SDI ADVISORY] SSH1 session key recovery vulnerability

2001-02-09 Thread Iván Arce
Hello, Yet another error in the advisory released last Wednesday. - Original Message - From: "Ivn Arce" [EMAIL PROTECTED] Newsgroups: core.lists.bugtraq To: [EMAIL PROTECTED] Sent: Wednesday, February 07, 2001 6:25 PM Subject: [CORE SDI ADVISORY] SSH1 session key recovery vul

Re: [CORE SDI ADVISORY] SSH1 session key recovery vulnerability

2001-02-08 Thread Dan Harkless
=?iso-8859-1?Q?Iv=E1n_Arce?= [EMAIL PROTECTED] writes: Solution/Vendor Information/Workaround: [...] SSH.com ssh-1 up to version 1.2.31 is vulnerable. The official response from SSH.com follows: -SSH1 is deprecated and SSH.com does not support it anymore, the official response is

Re: [CORE SDI ADVISORY] SSH1 session key recovery vulnerability (errata)

2001-02-08 Thread Iván Arce
Just a small correction to the advisory just released: http://www.core-sdi.com/bid/1949 http://www.core-sdi.com/bid/1426 http://www.core-sdi.com/bid/1323 http://www.core-sdi.com/bid/1006 http://www.core-sdi.com/bid/843 http://www.core-sdi.com/bid/660 should be:

Re: [CORE SDI ADVISORY] SSH1 session key recovery vulnerability

2001-02-08 Thread Niels Provos
In message 073f01c09136$ddc04240$2e58a8c0@ffornicario, =?iso-8859-1?Q?Iv=E1n_ Arce?= writes: OpenSSH The vulnerability is present in OpenSSH up to version 2.3.0, although it is not possible to exploit it due to limits imposed on the number of simultaneous connections the server is allowed

[CORE SDI ADVISORY] SSH1 session key recovery vulnerability

2001-02-07 Thread Iván Arce
CORE SDI http://www.core-sdi.com SSH protocol 1.5 session key recovery vulnerability Date Published: 2001-02-07 Advisory ID: CORE-20010116 Bugtraq ID: 2344 CVE CAN: Not currently assigned. Title: Session Key