full-disclosure - Re: screen 4.0.3 local Authentication Bypass

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Date: Tue, 05 Jun 2007 06:32:48 +0200
From: Schanulleke <schalulleke@...il.com>
To: full-disclosure@...ts.grok.org.uk
Subject: Re: screen 4.0.3 local Authentication Bypass

Christian "Khark" Lauf wrote:
> Hello,
>
> Alexander Klink wrote:
>
>   
>>> Screen asks for a Password to unlock the screen.
>>> Just press ctrl+c and it displays "Getpass error".
>>> 2 seconds later the screen is unlocked and you`ve access.
>>>       
>> I can't reproduce this on either Mac OS X (screen 4.00.03) or
>> Debian (screen 4.00.02) ...
>>     
>
> So goes here. Debian Etch, Screen version 4.00.03 (FAU) 23-Oct-06.
> But maybe it's because I have a password directive in my .screenrc
> (You need to enter a password if you want to resume the session via 
> screen -r <name>)
>
> Christian
>   
Unable to reproduce this on Gentoo.

Linux xxxxx 2.6.20-gentoo-r7 #2 SMP Tue May 1 14:51:55 CEST 2007 x86_64
AMD Athlon(tm) 64 Processor 3000+ AuthenticAMD GNU/Linux

equery list screen
[ Searching for package 'screen' in all categories among: ]
 * installed packages
[I--] [  ] app-misc/screen-4.0.3 (0)


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