search for: ssh_msg_userauth_request

Displaying 12 results from an estimated 12 matches for "ssh_msg_userauth_request".

2014 Aug 02
0
Password authentication problem with 6.4p1 (and later) clients
...rdering may be immediately noticed. The output is constrained to the authentication phase, after the session keys have been derived by both parties, and before any channels are opened. The asymmetric keys and user name are exactly the same in both cases. OpenSSH client 5.9p1 Embedded SSH server SSH_MSG_USERAUTH_REQUEST Method name: none SSH_MSG_USERAUTH_FAILURE Supported auth. methods: password, publickey Partial success Boolean: FALSE SSH_MSG_USERAUTH_REQUEST Method name: publickey Boolean: FALSE SSH_MSG_USERAUTH_PK_OK SSH_MSG_USERAU...
2013 Apr 19
1
Auth_Banner question
Hi all, I'm working with a pure PHP implementation of the SSH2 protocol. I've read the rfc and the thousands of lines in this project: http://phpseclib.sourceforge.net/ I'm simply trying to add a feature that will capture and display the USERAUTH_BANNER displayed by Open sshd prior to login. When I connect to my opensshd server configured with the banner from openssh on any
2014 Aug 04
1
Password authentication problem with 6.4p1 (and later) clients: An analysis
...escribed in my previous post is embodied in the last four messages of the 6.4p1 traces. That is, from that point onward client and server exchange that block of four messages, over and over again. The first SSH_MSG_USERAUTH_FAILURE message sent by the embedded server as a response to the the first SSH_MSG_USERAUTH_REQUEST message received from the client, for public key authentication and with the authentication Boolean set to TRUE, is formatted incorrectly. Indeed, the partial success Boolean should have been FALSE, rather than TRUE, because it was generated as a response to an SSH_MSG_USERAUTH_REQUEST message with...
2023 Aug 10
2
Packet Timing and Data Leaks
Philipp Marek wrote: > An easy workaround is to use a password manager (a plain file as a minimum) If you can/want to use a file then consider using a key instead. publickey authentication is non-interactive on the wire and the key is already unlocked so packet timing leaks nothing about your passphrase. //Peter
2002 Jul 23
1
AIX and ADMCHG
In AIX, whenever a root user or a member of the security group changes a user's password, the ADMCHG attribute is set which means that the next time the user logs in, he will be forced to change his password. However, ssh is currently ignoring ADMCHG. I havn't seen any mention of this on the mailing list or Bugzilla, so I'm considering writing a patch to correct this problem. Has
2004 Jan 18
1
Authentication protocol
...ication protocol.? My question is when the authentication protocol starts OpenSSH will sit and hang waiting for the server to send a SSH_MSG_USERAUTH_FAILURE packet and a list of appropriate authentication methods (password, publickey ). ?After that packet is sent, OpenSSH will immediately send the SSH_MSG_USERAUTH_REQUEST packet with none as the method of authentication and then without waiting send a packet for the next method of authentication. ? According to [SSH-USERAUTH]: ? ?The server MUST always reject this request, unless the client is to be allowed in without any authentication, in which case the server MU...
2000 Nov 30
1
Problem and Patch: Multiple keys in ssh.com V2 agent
Hello! I recently discoverd a problem with ssh.com's ssh-agent2 and OpenSSH: If I have more than one key in my agent, then the agent tries to authenticicate me with every one of them at the OpenSSH server; but none of them is a valid key for that server. The Problem is that the Server increments the authctxt->attempt at every of that tries. So even if you want to login with a password at
2018 Aug 24
0
Announce: OpenSSH 7.8 released
...* ssh(1): fix a pwent clobber (introduced in openssh-7.7) that could occur during key loading, manifesting as crash on some platforms. * sshd_config(5): clarify documentation for AuthenticationMethods option; bz#2663 * ssh(1): ensure that the public key algorithm sent in a public key SSH_MSG_USERAUTH_REQUEST matches the content of the signature blob. Previously, these could be inconsistent when a legacy or non-OpenSSH ssh-agent returned a RSA/SHA1 signature when asked to make a RSA/SHA2 signature. * sshd(8): fix failures to read authorized_keys caused by faulty supplemental group caching....
2018 Aug 24
0
Announce: OpenSSH 7.8 released
...* ssh(1): fix a pwent clobber (introduced in openssh-7.7) that could occur during key loading, manifesting as crash on some platforms. * sshd_config(5): clarify documentation for AuthenticationMethods option; bz#2663 * ssh(1): ensure that the public key algorithm sent in a public key SSH_MSG_USERAUTH_REQUEST matches the content of the signature blob. Previously, these could be inconsistent when a legacy or non-OpenSSH ssh-agent returned a RSA/SHA1 signature when asked to make a RSA/SHA2 signature. * sshd(8): fix failures to read authorized_keys caused by faulty supplemental group caching....
2016 Jan 26
2
Questions about inferred state machines for OpenSSH
Dear all, For my thesis, I've been working on automatic inference of state machines for SSH servers. I ran into a couple of particularities regarding OpenSSH's inferred state machine, and was hoping some of you might be interested. Maybe you can even shed some light on it. Setup: I'm using LearnLib's (Java) version of the L* learning algorithm [1] to come up with sequences of
2018 Aug 10
10
Call for testing: OpenSSH 7.8
...* ssh(1): fix a pwent clobber (introduced in openssh-7.7) that could occur during key loading, manifesting as crash on some platforms. * sshd_config(5): clarify documentation for AuthenticationMethods option; bz#2663 * ssh(1): ensure that the public key algorithm sent in a public key SSH_MSG_USERAUTH_REQUEST matches the content of the signature blob. Previously, these could be inconsistent when a legacy or non-OpenSSH ssh-agent returned a RSA/SHA1 signature when asked to make a RSA/SHA2 signature. * sshd(8): fix failures to read authorized_keys caused by faulty supplemental group caching....
2014 Nov 18
55
[Bug 2319] New: [PATCH REVIEW] U2F authentication
https://bugzilla.mindrot.org/show_bug.cgi?id=2319 Bug ID: 2319 Summary: [PATCH REVIEW] U2F authentication Product: Portable OpenSSH Version: 6.7p1 Hardware: All OS: All Status: NEW Severity: enhancement Priority: P5 Component: Miscellaneous Assignee: unassigned-bugs at