[cisco-voip] openSSL and heartbleed

Lelio Fulgenzi lelio at uoguelph.ca
Thu Apr 10 22:48:04 EDT 2014 

Thanks so much for the update. 

Sent from my iPhone

On 2014-04-10, at 10:08 PM, "Wes Sisk (wsisk)" <wsisk at cisco.com> wrote:

> Lelio,
> 
> UCM information should be clear in the next update.
> 
> -Wes
> 
> From: Lelio Fulgenzi [lelio at uoguelph.ca]
> Sent: Thursday, April 10, 2014 7:24 PM
> To: Wes Sisk (wsisk)
> Cc: Brian Meade; cisco-voip voyp list
> Subject: Re: [cisco-voip] openSSL and heartbleed
> 
> Thanks Wes. 
> 
> I can imagine the amount of work involved in figuring all this out. 
> 
> My comment was more towards the verbiage included in the advisory. 
> 
> That is, does "Unified Communications Server 9.2" refer to "Unified Communications Manager"?
> 
> I only ask because I've made assumptions like this in the past only to be surprised. 
> 
> Sent from my iPhone
> 
> On 2014-04-10, at 6:27 PM, "Wes Sisk (wsisk)" <wsisk at cisco.com> wrote:
> 
>> Jumping in -
>> 
>> Updates are WIP Lelio. My expectation, as of timestamp of this email, is that UCM 9.x may not be affected. 10.x may be affected.
>> 
>> We are still validating.
>> 
>> -Wes
>> From: cisco-voip [cisco-voip-bounces at puck.nether.net] on behalf of Lelio Fulgenzi [lelio at uoguelph.ca]
>> Sent: Thursday, April 10, 2014 4:47 PM
>> To: Brian Meade
>> Cc: cisco-voip voyp list
>> Subject: Re: [cisco-voip] openSSL and heartbleed
>> 
>> Brian,
>> 
>> In reading the advisory, it's not clear if Communication Manager v9 and earlier is addressed. There is something called Cisco Unified Communication Server (UCM) 9.2 and earlier, but that's confusing because it's not the name and there is no v9.2 available.
>> 
>> http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20140409-heartbleed
>> 
>> Any chance on getting this cleared up?
>> 
>> Lelio
>> 
>> 
>> ---
>> Lelio Fulgenzi, B.A.
>> Senior Analyst, Network Infrastructure
>> Computing and Communications Services (CCS)
>> University of Guelph
>> 
>> 519‐824‐4120 Ext 56354
>> lelio at uoguelph.ca
>> www.uoguelph.ca/ccs
>> Room 037, Animal Science and Nutrition Building
>> Guelph, Ontario, N1G 2W1
>> 
>> From: "Brian Meade" <bmeade90 at vt.edu>
>> To: "Lelio Fulgenzi" <lelio at uoguelph.ca>
>> Cc: "cisco-voip voyp list" <cisco-voip at puck.nether.net>
>> Sent: Tuesday, April 8, 2014 7:49:18 PM
>> Subject: Re: [cisco-voip] openSSL and heartbleed
>> 
>> Should all be the same underlying OS.  10.x would be the only one I'd worry about until someone can check if it is vulnerable since it may have a newer openssl version.
>> 
>> On Apr 8, 2014 7:34 PM, "Lelio Fulgenzi" <lelio at uoguelph.ca> wrote:
>>> Thanks Brian. 
>>> 
>>> Can we assume that ELM and UCCx is also not affected? Same 9.x train. 
>>> 
>>> 
>>> 
>>> Sent from my iPhone
>>> 
>>> On 2014-04-08, at 7:21 PM, Brian Meade <bmeade90 at vt.edu> wrote:
>>> 
>>> Here we can see CUCM does not respond to the Heartbeat Request with any data:
>>> <image.png>
>>> 
>>> For the root inclined, we can find what openssl version is running:
>>> [root at CUCM912 ~]# openssl version
>>> OpenSSL 0.9.8e-fips-rhel5 01 Jul 2008
>>> 
>>> This new heartbeat bug isn't valid as OpenSSL didn't even implement responding to the Heartbeat Requests until version 1.0.1.  This is why CUCM doesn't respond with any data.
>>> 
>>> I don't have a 10.x box to check with right now.
>>> 
>>> Brian
>>> 
>>> 
>>> On Tue, Apr 8, 2014 at 7:01 PM, Brian Meade <bmeade90 at vt.edu> wrote:
>>>> Here's what I found testing against 9.1.2.10000.28 with a slightly modified python script:
>>>> bmeade at ubuntu:~$ python vulnscript 10.3.11.250
>>>> Connecting...
>>>> Sending Client Hello...
>>>> Waiting for Server Hello...
>>>>  ... received message: type = 22, ver = 0301, length = 1012
>>>> Sending heartbeat request...
>>>> Unexpected EOF receiving record header - server closed connection
>>>> No heartbeat response received, server likely not vulnerable
>>>> 
>>>> This is assuming the released script is checking for the vulnerability properly.
>>>> 
>>>> Brian
>>>> 
>>>> 
>>>> On Tue, Apr 8, 2014 at 5:51 PM, Brian Meade <bmeade90 at vt.edu> wrote:
>>>>> I haven't seen one.  Currently trying to run the example python script against one of my clusters but having some trouble.
>>>>> 
>>>>> 
>>>>> On Tue, Apr 8, 2014 at 5:24 PM, Lelio Fulgenzi <lelio at uoguelph.ca> wrote:
>>>>>> weird. for some reason i fixated on the date beneath the entry in the search listing which had 2011, which made more sense.
>>>>>> 
>>>>>> do you know if there is a more recent advisory?
>>>>>> 
>>>>>> 
>>>>>> ---
>>>>>> Lelio Fulgenzi, B.A.
>>>>>> Senior Analyst, Network Infrastructure
>>>>>> Computing and Communications Services (CCS)
>>>>>> University of Guelph
>>>>>> 
>>>>>> 519‐824‐4120 Ext 56354
>>>>>> lelio at uoguelph.ca
>>>>>> www.uoguelph.ca/ccs
>>>>>> Room 037, Animal Science and Nutrition Building
>>>>>> Guelph, Ontario, N1G 2W1
>>>>>> 
>>>>>> From: "Brian Meade" <bmeade90 at vt.edu>
>>>>>> To: "Lelio Fulgenzi" <lelio at uoguelph.ca>
>>>>>> Cc: "cisco-voip voyp list" <cisco-voip at puck.nether.net>
>>>>>> Sent: Tuesday, April 8, 2014 5:16:32 PM
>>>>>> Subject: Re: [cisco-voip] openSSL and heartbleed
>>>>>> 
>>>>>> 
>>>>>> I don't think that's the correct advisory.  That's a DoS vulnerability from 2004.
>>>>>> 
>>>>>> Brian
>>>>>> 
>>>>>> 
>>>>>> On Tue, Apr 8, 2014 at 5:11 PM, Lelio Fulgenzi <lelio at uoguelph.ca> wrote:
>>>>>>> nevermind... my first search did not produce results...
>>>>>>> 
>>>>>>> http://www.cisco.com/c/en/us/support/docs/csa/cisco-sa-20040317-openssl.html
>>>>>>> 
>>>>>>> 
>>>>>>> ---
>>>>>>> Lelio Fulgenzi, B.A.
>>>>>>> Senior Analyst, Network Infrastructure
>>>>>>> Computing and Communications Services (CCS)
>>>>>>> University of Guelph
>>>>>>> 
>>>>>>> 519‐824‐4120 Ext 56354
>>>>>>> lelio at uoguelph.ca
>>>>>>> www.uoguelph.ca/ccs
>>>>>>> Room 037, Animal Science and Nutrition Building
>>>>>>> Guelph, Ontario, N1G 2W1
>>>>>>> 
>>>>>>> From: "Lelio Fulgenzi" <lelio at uoguelph.ca>
>>>>>>> To: "cisco-voip voyp list" <cisco-voip at puck.nether.net>
>>>>>>> Sent: Tuesday, April 8, 2014 5:09:01 PM
>>>>>>> Subject: openSSL and heartbleed
>>>>>>> 
>>>>>>> 
>>>>>>> 
>>>>>>> Does anyone know if/when Cisco will be coming out with a security advisory about Open SSL and heartbleed?
>>>>>>> 
>>>>>>> http://threatpost.com/seriousness-of-openssl-heartbleed-bug-sets-in/105309
>>>>>>> 
>>>>>>> 
>>>>>>> 
>>>>>>> ---
>>>>>>> Lelio Fulgenzi, B.A.
>>>>>>> Senior Analyst, Network Infrastructure
>>>>>>> Computing and Communications Services (CCS)
>>>>>>> University of Guelph
>>>>>>> 
>>>>>>> 519‐824‐4120 Ext 56354
>>>>>>> lelio at uoguelph.ca
>>>>>>> www.uoguelph.ca/ccs
>>>>>>> Room 037, Animal Science and Nutrition Building
>>>>>>> Guelph, Ontario, N1G 2W1
>>>>>>> 
>>>>>>> 
>>>>>>> 
>>>>>>> _______________________________________________
>>>>>>> cisco-voip mailing list
>>>>>>> cisco-voip at puck.nether.net
>>>>>>> https://puck.nether.net/mailman/listinfo/cisco-voip
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