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From: David.Taylor at austrac.gov.au (David Taylor) Subject: previledge password in cisco routers Anyone still running telnet on a Cisco router doesn't deserve to be managing one. M2C David Taylor -----Original Message----- From: full-disclosure-admin@...ts.netsys.com [mailto:full-disclosure-admin@...ts.netsys.com] On Behalf Of amilabs Sent: Thursday, 25 November 2004 4:16 AM To: 'Todd Towles'; 'john morris'; 'Scott T. Cameron' Cc: full-disclosure@...ts.netsys.com Subject: RE: [Full-Disclosure] previledge password in cisco routers The only way to get it remotely is to get hold of and compromise a machine on the network where the routers/switches resides. Then run a sniffer app for just telnet and capture the individual keystrokes when someone logs into the router and then enters the enable password. Remember inside the network most telnet support functions to routers and switches are not encrypted so by capturing a support personnel's telnet session will give you the enable password. This can be done with SNMP also but that is another discussion. The trick is to get the compromised machine to run the sniffer like tcpdump etc.. Even if tacacs is used you will still see the open unencrypted telnet keystrokes from the admin to the router. The router will then encrypt that info and send it to the tacacs server for its backend process. You need to just watch the admin's. steps. That is how you can get it remotely... Unless the routers are configured for ssh for telnet you can see everything in the clear with a sniffer.. Regards.. -----Original Message----- From: full-disclosure-admin@...ts.netsys.com [mailto:full-disclosure-admin@...ts.netsys.com] On Behalf Of Todd Towles Sent: Wednesday, November 24, 2004 9:38 AM To: john morris; Scott T. Cameron Cc: full-disclosure@...ts.netsys.com Subject: RE: [Full-Disclosure] previledge password in cisco routers Do you seriously think there is a easy way to get the enable password remotely? If you have the config, you can get it from there..if you have the box you can do a password recovery by booting in rommon...otherwise the box isn't yours..and you won't find a clear exact answer because there isn't one. > -----Original Message----- > From: full-disclosure-admin@...ts.netsys.com > [mailto:full-disclosure-admin@...ts.netsys.com] On Behalf Of john > morris > Sent: Wednesday, November 24, 2004 3:15 AM > To: Scott T. Cameron > Cc: full-disclosure@...ts.netsys.com > Subject: Re: [Full-Disclosure] previledge password in cisco routers > > Ooops.. i reframe my question. Is there a way to get the enable > password remotely . Brute force is not my option > > > > (FROM LINKS TO LINKS WE ARE ALL LINKED) > > cheersssss..... > > morris > > _______________________________________________ > Full-Disclosure - We believe in it. > Charter: http://lists.netsys.com/full-disclosure-charter.html > _______________________________________________ Full-Disclosure - We believe in it. Charter: http://lists.netsys.com/full-disclosure-charter.html _______________________________________________ Full-Disclosure - We believe in it. Charter: http://lists.netsys.com/full-disclosure-charter.html ********************************************************************** Please note that your email address is known to AUSTRAC for the purposes of communicating with you. The information transmitted in this e-mail is for the use of the intended recipient only and may contain confidential and/or legally privileged material. If you have received this information in error you must not disseminate, copy or take any action on it and we request that you delete all copies of this transmission together with attachments and notify the sender. This footnote also confirms that this email message has been swept for the presence of computer viruses. **********************************************************************
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