[Bug 1464064] Re: Ubuntu apt repos are not available via HTTPS

2018-07-01 Thread Yarwin Kolff
Proof of Concept:
https://twitter.com/yungtravla/status/1013275701078683648

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Title:
  Ubuntu apt repos are not available via HTTPS

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[Bug 1464064] Re: Ubuntu apt repos are not available via HTTPS

2018-07-01 Thread Yarwin Kolff
Is it me or are the people who defend Ubuntu's lack of security
deliberately avoiding the issue?

The checksums and ISO files on releases.ubuntu.com and
archive.ubuntu.com (and possibly more) are 100% vulnerable to MITM
attacks for *NON-APT USERS*.

Do not assume that the entire world is using APT... In fact, the
MAJORITY of people who downloaded Ubuntu did so using their browser.

All these people are at risk of running a compromised Ubuntu
installation.

You had the chance to fix this issue 3 years ago... I don't know what
else to say.

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Title:
  Ubuntu apt repos are not available via HTTPS

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[Bug 1779524] Re: Insecure Ubuntu repos pose risk to all non-APT users

2018-07-01 Thread Yarwin Kolff
In response to Launchpad's message: "Thank you for taking the time to report 
this bug and helping to make
Ubuntu better.  It seems that your bug report is not filed about a
specific source package though, rather it is just filed against Ubuntu
in general.  It is important that bug reports be filed about source
packages so that people interested in the package can find the bugs
about it."

Please be advised that this bug affects all Ubuntu distributions, not
just one single package.

I stress that you watch the PoC (Proof of Concept) which I included in
my first report.

I will include it here once again:
https://twitter.com/yungtravla/status/1013275701078683648

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Title:
  Insecure Ubuntu repos pose risk to all non-APT users

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[Bug 1779524] [NEW] Insecure Ubuntu repos pose risk to all non-APT users

2018-06-30 Thread Yarwin Kolff
Public bug reported:

 affects ubuntu

Ubuntu has improperly configured their TLS. So improper that everything BUT
their downloads are secured with TLS.

This poses a serious risk to all non-APT users (majority of the people on
this planet), as the checksums and ISO files are exposed over HTTP, and can
be modified by MITM attackers, ISPs, and basically any node in the route.

Please see my proof of concept here: https://twitter.com/yungtravla/status/
1013275701078683648

*Problem identified on 30/06/2018 by Yarwin Kolff*

** Affects: ubuntu
 Importance: Undecided
 Status: New

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Title:
  Insecure Ubuntu repos pose risk to all non-APT users

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