[Whonix-devel] [qubes-devel] Re: qubes-linux-template-builder Debian apt-get --force-yes --yes security issue?

Sat May 2 16:13:20 CEST 2015

Jason M:
> 
> 
> On Monday, 27 April 2015 18:34:12 UTC-4, Jason M wrote:
>>
>> On 27 April 2015 at 18:26, Patrick Schleizer wrote:
>>
>>> Hi!
>>>
>>> From
>>> qubes-linux-template-builder/scripts_debian/vars.sh
>>>
>>> https://github.com/QubesOS/qubes-builder-debian/blob/33109b3ed425fc5c590b5e551ed4739373076609/template_qubuntu/vars.sh#L25
>>>
>>> APT_GET_OPTIONS="-o Dpkg::Options::="--force-confnew" --force-yes --yes"
>>>
>>> Could be a security issue. The combination of --force-yes and --yes is
>>> insecure. Could lead to installation of unsigned packages.
>>>
>>> Concluded that by reading the source and by remembering a bug report
>>> against a similar Debian image build script where I did some testing.
>>>
>>> - https://github.com/grml/grml-debootstrap/issues/62
>>> -
>>>
>>> https://www.whonix.org/wiki/Dev/apt-get#apt-get_Install_Signed_vs_Unsigned_Packages
>>>
>>> I didn't actually test here but I find this quite possible. Highly
>>> recommend to drop the --force-yes.
>>>
>>
>> Good catch.  I will investigate it further.  The purpose is the 
>> `--force-yes` is to all the over riding package configuration when 
>> initially building the template.  Will see what happens without the force 
>> option.
>>
> 
> I removed the --force-yes option and everything seems to build fine still.  
> I will submit a PR most likely tonight after some more testing has been 
> completed. 
>  
> 

Any news on this?

Cheers,
Patrick