Re: [on-asterisk] FBI Warning

2008-12-12 Thread Leif Madsen
On Mon, Dec 8, 2008 at 10:48 AM, Bill Sandiford
b...@telnetcommunications.com wrote:
 Anyone else see this?

 http://www.fiercevoip.com/story/fbi-issues-voip-security-warning-asterisk-which-version/2008-12-07?utm_medium=nlutm_source=internalcmp-id=EMC-NL-FVdest=FV

Here is a followup blog post by John Todd.

Basically, they didn't follow standard reporting procedure, and
re-reported a bug fixed back in March.

http://blogs.digium.com/2008/12/06/sip-security-and-asterisk/

-- 
Leif Madsen.
http://www.leifmadsen.com
http://www.oreilly.com/catalog/asterisk

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[on-asterisk] FBI Warning

2008-12-08 Thread Bill Sandiford
Anyone else see this?

http://www.fiercevoip.com/story/fbi-issues-voip-security-warning-asterisk-which-version/2008-12-07?utm_medium=nlutm_source=internalcmp-id=EMC-NL-FVdest=FV


Bill Sandiford
Telnet Communications
905-674-2000 x100
[EMAIL PROTECTED]

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Re: [on-asterisk] FBI Warning

2008-12-08 Thread Stephan Monette

Hey,

We had a lot of posting about this a few weeks ago about guessing easy 
extension passwords. This is how hackers access the system to dial 
thousands of calls for credit card fraud.


This note talks about Asterisk, but it can be any PBX system if the 
extension passwords are not strong enough. It just happen that Asterisk 
is the most popular one I guess.


Cheers.

Stephan Monette
Unlimitel Inc.

Tel.: 613-688-6212. x221
TF  : 1-877-464-6638, x221
FAX : 613-482-1077 




Bill Sandiford wrote:

Anyone else see this?

http://www.fiercevoip.com/story/fbi-issues-voip-security-warning-asterisk-which-version/2008-12-07?utm_medium=nlutm_source=internalcmp-id=EMC-NL-FVdest=FV


Bill Sandiford
Telnet Communications
905-674-2000 x100
[EMAIL PROTECTED]

IMPORTANT NOTICE: This message is intended only for the use of the individual 
or entity to which it is addressed, and may contain information that is 
privileged, confidential and exempt from disclosure under applicable law. If 
the reader of this message is not the intended recipient, you are hereby 
notified that any dissemination, distribution or copying of this communication 
is strictly prohibited. If you have received this communication in error, 
please notify the sender immediately by email and delete the message. Thank you.
  




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RE: [on-asterisk] FBI Warning

2008-12-08 Thread Erik (Caneris)
 Anyone else see this?

 http://www.fiercevoip.com/story/fbi-issues-voip-security-warni
ng-asterisk-which-version/2008-12-07? 
utm_medium=nlutm_source=internalcmp-id=EMC-NL-FVdest=FV

Hey Bill,

No clue...it seems pretty vague. It does refer to a new technique, so I don't 
think it's what Stephan is referring to with guessing passwords.


--
Erik
Caneris
Tel: 647-723-6365
Fax: 647-723-5365
Toll-free: 1-866-827-0021
www.caneris.com

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Re: [on-asterisk] FBI Warning

2008-12-08 Thread Duane at e164 dot org
Stephan Monette wrote:

 This note talks about Asterisk, but it can be any PBX system if the
 extension passwords are not strong enough. It just happen that Asterisk
 is the most popular one I guess.

Apparently some versions of asterisk exposed usernames of all SIP
accounts on a system, so this made brute force attacks easier.

-- 

Best regards,
 Duane

http://www.freeauth.org - Enterprise Two Factor Authentication
http://www.nodedb.com - Think globally, network locally
http://www.sydneywireless.com - Telecommunications Freedom
http://e164.org - Global Communication for the 21st Century

In the long run the pessimist may be proved right,
but the optimist has a better time on the trip.



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