Openwall GNU/*/Linux - a small security-enhanced Linux distro for servers
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date: Tue, 31 Jan 2012 00:14:10 +0200
From: Nanakos Chrysostomos <nanakos@...ed-net.gr>
To: Kurt Seifried <kseifried@...hat.com>
Cc: "oss-security@...ts.openwall.com" <oss-security@...ts.openwall.com>,
        Jonathan Wiltshire <jmw@...ian.org>,
        Gian Piero Carrubba <gpiero@...rf.it>,
        "team@...urity.debian.org" <team@...urity.debian.org>
Subject: Re: Re: Yubiserver package ships with pre-filled identities


On 31 Ιαν 2012, at 0:06, Kurt Seifried <kseifried@...hat.com> wrote:

> On 01/30/2012 02:32 PM, Nanakos Chrysostomos wrote:
>>
>
>>> Ok I'm not clear on what is going on here, is there a link to the  
>>> bug
>>> entry regarding this issue, or can someone clarify it?
>>>
>>
>> Hi,
>> there is no bug entry yet.
>>
>>
>>> 1) are there default accounts shipped with the product that get
>>> activated automatically during install? (it sounds like yes?)
>>>
>>
>> Yes. The database is populated with an example/test account which is
>> activated during install.
>
> Is this account documented/the impact documented?
>

What do you mean?



>>> 2) can someone remotely/locally access these accounts? what are the
>>> credentials for these accounts ("invalid keys"?), can an attacker  
>>> access
>>> them?
>>>
>>
>> If someone programs or uses a software emulation for the yubikey can
>> have access to whatever the user of the application uses it for ( the
>> yubiserver). For example if someone uses Pam yubico module with the  
>> su
>> or sshd server to provide a two factor authentication scheme he  
>> should
>> suffer from this security issue if he hasn't deleted or deactivated  
>> the
>> test account. If someone by mistake installs yubiserver and doesn't  
>> use
>> him to validate his otp or hmac otp, he won't suffer from this  
>> security
>> issue. Someone can only suffer if he uses the server and hasn't  
>> deleted
>> or deactivated the test account which is shipped with the server.
>>
>>> 3) what is the privilege level of the accounts?
>>
>> That depends on how someone wants to use the server and the privilege
>> level that he wants to give to it's users through the validation of  
>> the
>> otp or hmac otp.
>
> So it would basically be the same as any other standard account  
> created
> on the server?
>

Yes. It's just a simple account you could add anytime by yourself.



>> Chris.
>
>
> -- 
> Kurt Seifried Red Hat Security Response Team (SRT)

Powered by blists - more mailing lists

Your e-mail address:

Please check out the Open Source Software Security Wiki, which is counterpart to this mailing list.

Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.