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Date:      Tue, 18 Jul 2000 16:58:44 -0700 (PDT)
From:      hdiwan@pobox.com
To:        FreeBSD-gnats-submit@freebsd.org
Subject:   bin/20018: openssh bug
Message-ID:  <200007182358.QAA03737@hdroam.ssd.loral.com>

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>Number:         20018
>Category:       bin
>Synopsis:       OpenSSH does not operate with all ssh2 daemons
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Tue Jul 18 17:00:00 PDT 2000
>Closed-Date:
>Last-Modified:
>Originator:     Hasan Diwan
>Release:        FreeBSD 4.1-RC i386
>Organization:
Space Systems/Loral
>Environment:
	OpenSSH-2.1 client, 
	F-Secure SSH-2.0-2.2.0 server

>Description:

	A logged ssh -v connection follows:
SSH Version OpenSSH-2.1, protocol versions 1.5/2.0.
Compiled with SSL (0x00904100).
debug: Reading configuration data /etc/ssh/ssh_config
debug: ssh_connect: getuid 0 geteuid 0 anon 0
debug: Connecting to tomcat.ssd.loral.com [158.184.44.31] port 22.
debug: Allocated local port 934.
debug: Connection established.
debug: Remote protocol version 2.0, remote software version 2.2.0 SSH Secure Shell 
Enabling compatibility mode for protocol 2.0
debug: Local version string SSH-2.0-OpenSSH-2.1
debug: send KEXINIT
debug: done
debug: wait KEXINIT
debug: got kexinit: diffie-hellman-group1-sha1
debug: got kexinit: ssh-dss
debug: got kexinit: 3des-cbc,blowfish-cbc,twofish-cbc,arcfour,none
debug: got kexinit: 3des-cbc,blowfish-cbc,twofish-cbc,arcfour,none
debug: got kexinit: hmac-sha1,hmac-md5,hmac-md5-96,none
debug: got kexinit: hmac-sha1,hmac-md5,hmac-md5-96,none
debug: got kexinit: none,zlib
debug: got kexinit: none,zlib
debug: got kexinit: 
debug: got kexinit: 
debug: first kex follow: 0 
debug: reserved: 0 
debug: done
debug: kex: server->client 3des-cbc hmac-sha1 none
debug: kex: client->server 3des-cbc hmac-sha1 none
debug: Sending SSH2_MSG_KEXDH_INIT.
debug: bits set: 523/1024
debug: Wait SSH2_MSG_KEXDH_REPLY.
debug: Got SSH2_MSG_KEXDH_REPLY.
debug: keytype ssh-dss
debug: keytype ssh-dss
debug: Host 'tomcat.ssd.loral.com' is known and matches the DSA host key.
debug: bits set: 523/1024
debug: len 55 datafellows 0
debug: dsa_verify: signature correct
debug: Wait SSH2_MSG_NEWKEYS.
debug: GOT SSH2_MSG_NEWKEYS.
debug: send SSH2_MSG_NEWKEYS.
debug: done: send SSH2_MSG_NEWKEYS.
debug: done: KEX2.
debug: send SSH2_MSG_SERVICE_REQUEST
Disconnecting: Corrupted HMAC on input.
debug: Calling cleanup 0x80577d0(0x0)

>How-To-Repeat:

	Unknown, appears to be a race condition on the server end.

>Fix:

	unknown


>Release-Note:
>Audit-Trail:
>Unformatted:


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