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Re: Unknown function

To: nessus@list.nessus.org
Subject: Re: Unknown function
From: "F. Riphagen" <f.riphagen@nsec.nl>
Date: Thu, 07 Jun 2007 15:49:26 +0200
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Quoting Renaud Deraison <deraison@nessus.org>:

>
>
> Hi Roch,
>
> On Jun 7, 2007, at 12:14 PM, Roch wrote:
>
>> Hi,
>>
>> When verifying ssh login credentials to a Redhat ES 4.0 system I am getting:
>>
>>
>> Unknown function 'aes_cbc_encrypt' (ssh_test.nasl, line 576)
>> Unknown function 'tripledes_cbc_encrypt' (ssh_test.nasl, line 578)
>> Unknown function 'aes_cbc_encrypt' (ssh_test.nasl, line 576)
>> Unknown function 'tripledes_cbc_encrypt' (ssh_test.nasl, line 578)
>> Unknown function 'aes_cbc_decrypt' (ssh_test.nasl, line 596)
>> Unknown function 'tripledes_cbc_decrypt' (ssh_test.nasl, line 598)
>> Unknown function 'aes_cbc_decrypt' (ssh_test.nasl, line 596)
>> Unknown function 'tripledes_cbc_decrypt' (ssh_test.nasl, line 598)
>>
>> After running nasl -X -t ip.of.host. ssh_test.nasl
>>
>> Turns out it is trying to log in using  blowfish-cbc encryption as it
>> doesn't recognise the others. Has something changed in ssh_func.inc?
>
> These warnings are harmless and only occur when in command-line mode.
> Currently, Nessus 2.x and 3.0 only support blowfish-cbc encryption. In
> Nessus 3.1.x we've added support for AES and 3DES and we modified
> ssh_func.inc to account for that.
>
> Given how the script is written, it still works well with Nessus 2.x
> and 3.0.x and in Nessus 3.1.x it has the ability to also negotiate AES
> and 3DES.

Hi, I have the same problem but wasn't this a problem with openssl 0.9.8 (at least on debian) I'm running the beta before today released. I can't use these functions.

--Ferdy--

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