SSHD_PROBLEM - openssh

This is a discussion on SSHD_PROBLEM - openssh ; hello.. i am running openssh-3.7.1p2. on linux.It is working successfully.and daemon is running &client also connecting.But the problem is with the mips architecture when i connecting this server from remote syytem. i got an error of buufer_get:trying to get more ...

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Thread: SSHD_PROBLEM

  1. SSHD_PROBLEM

    hello..
    i am running openssh-3.7.1p2. on linux.It is working
    successfully.and daemon is running &client also connecting.But the
    problem is with the mips architecture when i connecting this server
    from remote syytem. i got an error of buufer_get:trying to get more
    bytes 1 than buffer0.And client is not connecting from remote system.My
    out is as follows on my server




    in sshd main
    before sh_get_programme./bcm.user
    in have programme
    after ssh_get_programme
    after init_rng
    before xmalloc
    after xmalloc
    before initiliase serveroptions
    in initilise sever options
    after initiliase serveroptions
    before ssleay add algorithms
    after ssleay add algorithms
    in channel set
    before log init
    after log init
    before seed_rng
    after seed_rng
    before read_server_config
    after read_server_config
    before fill_default_server_options
    after fill_default_server_options
    sshd version OpenSSH_3.7.1p2
    before lodaing private keys
    after lodaing private keys
    after lodaing private keys
    options.host_key_files[i]=/etc/ssh/ssh_host_rsa_key
    in key_load_private
    before key_load_public_rsa1
    in buffer_init
    in buffer_append_space
    in buffer_get
    leaving from buffer_get
    in buffer_free
    before key_load_private_pem
    returning from key_load_private
    after key_load_private
    private host key: #0 type 1 RSA
    options.host_key_files[i]=/etc/ssh/ssh_host_dsa_key
    in key_load_private
    before key_load_public_rsa1
    in buffer_init
    in buffer_append_space
    in buffer_get
    leaving from buffer_get
    in buffer_free
    before key_load_private_pem
    returning from key_load_private
    after key_load_private
    private host key: #1 type 2 DSA
    before setting protcol version options.protocol=4 ...sensitive_data.have_ssh1_key=0 sensitive_data.have_ssh2_key=1
    use_privsep=1
    before get pwnam
    after get pwnam
    before set groups
    before daemon starts
    after daemon starts
    before arc4random_stir
    before chdir
    before signal
    after signal
    in else condition
    AF_INET=2, AF_INET6=10
    listen_sock=0ai->ai_family=2,ai->ai_socktype=2,ai->ai_protocol=6
    listen_sock=5
    Bind to port ssh on 0.0.0.0.
    strport=ssh
    Server listening on 0.0.0.0 port ssh.
    AF_INET=2, AF_INET6=10
    listen_sock=5ai->ai_family=2,ai->ai_socktype=2,ai->ai_protocol=6
    listen_sock=6
    Bind to port ssh on ::.
    not binding
    before freeaddrinfo
    after freeaddrinfo
    before SIGHUP
    before SIGTERM
    before SIGCHLD
    setup fd set for listen
    before select
    bash-3.00#
    before alarm
    after alarm
    before SIGINT
    after SIGINT
    before packet_set_connection
    in buffer_init
    in buffer_init
    in buffer_init
    in buffer_init
    after packet_set_connection
    before select
    after get_remote_portremote_port=57218
    after get_remote_ipaddr=192.168.131.254
    Connection from 192.168.131.254 port 57218
    before signal
    before sshd_exchange_identificationsock_in=6, sock_out=6
    after sshd_exchange_identificationsock_in=6, sock_out=6
    after packet_set_nonblocking
    in buffer_init
    after buffer_init
    before use_privsep=0',use_privsep
    before privsep_preauth
    in authctxt_new
    in buffer_init
    authenticate user and start session
    in do_ssh2_kex
    compat_cipher_proposal
    compat_cipher_proposal
    in list_hostkey_types
    in buffer_init
    in buffer_len
    in key_ssh_name
    in KEY_RSA
    in buffer_append
    in buffer_append_space
    in buffer_len
    in buffer_append
    in buffer_append_space
    in key_ssh_name
    in KEY_DSA
    in buffer_append
    in buffer_append_space
    in buffer_append
    in buffer_append_space
    in buffer_ptr
    in buffer_free
    list_hostkey_types: ssh-rsa,ssh-dss
    in kex_setup
    in buffer_init
    in buffer_init
    before kex_send_kexinit
    in buffer_len
    kex_send_kexinit: kex proposal too short
    len=0
    in buffer_ptr
    packet_start[20]
    in buffer_clear
    in buffer_append
    in buffer_append_space
    in buffer_ptr
    in buffer_len
    in buffer_append
    in buffer_append_space
    in buffer_ptr
    in buffer_ptr
    in buffer_len
    in buffer_append_space
    in buffer_len
    in buffer_ptr
    in buffer_len
    in buffer_append_space
    in buffer_ptr
    in buffer_len
    in cipher_crypt
    cipher_crypt
    before evp-cipher
    return from cipher_crypt
    in buffer_clear
    packet_send done
    SSH2_MSG_KEXINIT sent
    before kex_reset_dispatch
    after kex_reset_dispatch
    packet_write_wait
    in buffer_len
    in buffer_ptr
    in buffer_consume
    in packet_have_data_to_write
    in buffer_len
    in buffer_len
    in buffer_append
    in buffer_append_space
    in buffer_len
    in buffer_clear
    in buffer_append_space
    in buffer_ptr
    in cipher_crypt
    cipher_crypt
    before evp-cipher
    return from cipher_crypt
    in buffer_ptr
    in buffer_consume
    in buffer_len
    in buffer_append_space
    in buffer_ptr
    in cipher_crypt
    cipher_crypt
    before evp-cipher
    return from cipher_crypt
    in buffer_consume
    in buffer_ptr
    in buffer_consume
    in buffer_consume_end
    in buffer_get
    leaving from buffer_get
    in buffer_len
    in buffer_ptr
    in buffer_append
    in buffer_append_space
    in buffer_get
    leaving from buffer_get
    in buffer_get
    leaving from buffer_get
    in buffer_get
    leaving from buffer_get
    in buffer_get
    leaving from buffer_get
    in buffer_get
    leaving from buffer_get
    in buffer_get
    leaving from buffer_get
    in buffer_get
    leaving from buffer_get
    in buffer_get
    leaving from buffer_get
    in buffer_get
    leaving from buffer_get
    in buffer_get
    leaving from buffer_get
    in buffer_get
    leaving from buffer_get
    in buffer_get
    leaving from buffer_get
    in buffer_get
    leaving from buffer_get
    in buffer_get
    leaving from buffer_get
    in buffer_get
    leaving from buffer_get
    in buffer_get
    leaving from buffer_get
    in buffer_get
    leaving from buffer_get
    in buffer_get
    leaving from buffer_get
    in buffer_get
    leaving from buffer_get
    in buffer_get
    leaving from buffer_get
    in buffer_get
    leaving from buffer_get
    in buffer_get
    leaving from buffer_get
    in buffer_get
    leaving from buffer_get
    in buffer_get
    leaving from buffer_get
    in buffer_get
    leaving from buffer_get
    in buffer_get
    leaving from buffer_get
    in buffer_get
    leaving from buffer_get
    in buffer_get
    leaving from buffer_get
    in buffer_get
    leaving from buffer_get
    in buffer_get
    leaving from buffer_get
    in buffer_get
    leaving from buffer_get
    in buffer_get
    leaving from buffer_get
    in buffer_get
    leaving from buffer_get
    in buffer_get
    leaving from buffer_get
    in buffer_get
    leaving from buffer_get
    in buffer_get
    leaving from buffer_get
    in buffer_get
    leaving from buffer_get
    in buffer_get
    leaving from buffer_get
    in buffer_len
    in buffer_init
    in buffer_ptr
    in buffer_len
    in buffer_append
    in buffer_append_space
    in buffer_get
    in buffer_free
    in buffer_free
    in buffer_free
    in buffer_free
    before select



    Please any one give suggestions on this



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  2. Re: SSHD_PROBLEM

    sri veera wrote:
    > i am running openssh-3.7.1p2.


    That is a very old version of OpenSSH.


    > problem is with the mips architecture when i connecting this server
    > from remote syytem.

    ...
    > Please any one give suggestions on this


    Please try upgrading OpenSSH at least on the server, but ideally both
    on server and client to the latest version. I believe that is 5.0p1.


    //Peter
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  3. Re: SSHD_PROBLEM

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  4. Re: SSHD_PROBLEM

    On Thu, 18 Sep 2008, sri veera wrote:

    > hello..
    > i am running openssh-3.7.1p2. on linux.It is working
    > successfully.and daemon is running &client also connecting.But the
    > problem is with the mips architecture when i connecting this server
    > from remote syytem. i got an error of buufer_get:trying to get more
    > bytes 1 than buffer0.And client is not connecting from remote system.My
    > out is as follows on my server


    Hi,

    Your version of OpenSSH is very old. We are up to 5.1 now - can you
    replicate your problem with a more recent version?

    Also, we prefer debug traces from OpenSSH ("ssh -vvv", "sshd -ddd").
    I'm not sure what you generated your trace with, but it is little help
    for us in figuring out what your problem is.

    -d
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