[wix-devs] #5658 - Burn problem with AV
osito at live.com
Mon Dec 17 09:08:52 PST 2018
As I understand it, retrying the entire Apply would just repeat the same failure mode over and over again.
The problem is that by the time the third process is launched, the AV is sandboxing. What needs to be retried is establishing communication, and that needs to be repeated until the user has had sufficient opportunity to manually respond to the AV's dialog.
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From: wix-devs <wix-devs-bounces at lists.wixtoolset.org> on behalf of Sean Hall via wix-devs <wix-devs at lists.wixtoolset.org>
Sent: Monday, December 17, 2018 7:13:54 AM
To: WiX Toolset Developer Mailing List
Cc: Sean Hall
Subject: Re: [wix-devs] #5658 - Burn problem with AV
So it sounds like we want to try adding a retry first and see how it goes?
The pull request right now is calling itself before cleaning up, which is
bad. My current idea is to make that elevate function return a custom error
code, something like E_SUSPECTED_AV_MEDDLING. Then make Apply auto retry
On Mon, Dec 17, 2018 at 1:36 AM Blair Murri <osito at live.com> wrote:
> I think the point was that the AVs are blocking the second hop while
> asking the user how to proceed. Once the user responds granting access, the
> code with the retry logic works, if I'm reading the responses to the issue
> We've never released any version containing the retry logic. We haven't
> added the retry logic to any branch. No one has even critiqued pull request
> containing the proposed retry logic (which includes me, as it's not clear
> to me that the proposed solution is optimal, but I truly haven't stopped to
> think about it, either).
> I don't think disabling the clean room is the right solution, unless
> someone with something based on the proposed solution isn't working or a
> good argument is made that the user can't work with an AV's dialog asking
> to allow a program they launched to proceed.
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> *From:* wix-devs <wix-devs-bounces at lists.wixtoolset.org> on behalf of
> Sean Hall via wix-devs <wix-devs at lists.wixtoolset.org>
> *Sent:* Thursday, December 13, 2018 10:28:08 AM
> *To:* WiX Toolset Developer Mailing List
> *Cc:* Sean Hall
> *Subject:* Re: [wix-devs] #5658 - Burn problem with AV
> The whole thing - because one person said their bundle built with v3.9
> worked fine, and another implying that the issues started when using v3.11.
> It's possible the companies are allowing one hop (unelevated->elevated) but
> not two (unelevated->clean room->elevated).
> On Thu, Dec 13, 2018 at 12:20 PM Rob Mensching <rob at firegiant.com> wrote:
> > The initial report in that issue is about the elevated Burn not about the
> > clean room. What part of the issue would be helped by not doing clean
> > -----Original Message-----
> > From: wix-devs <wix-devs-bounces at lists.wixtoolset.org> On Behalf Of Sean
> > Hall via wix-devs
> > Sent: Sunday, December 9, 2018 3:02 PM
> > To: WiX Toolset Developer Mailing List <wix-devs at lists.wixtoolset.org>
> > Cc: Sean Hall <r.sean.hall at gmail.com>
> > Subject: [wix-devs] #5658 - Burn problem with AV
> > For https://github.com/wixtoolset/issues/issues/5658, I'm not convinced
> > that we are going to be able to find a foolproof workaround for these
> > problematic AV's. Would it be acceptable to add a /disablecleanroom
> > disable clean room if running in a specially name folder, or something
> > like that instead? I would think that would be ok security-wise since if
> > malicious entity can run our bundle with that switch they already have
> > execution.
> > Also, have we submitted the latest v3.11 to each of the vendors in the
> > issue - Avast, AVG, PC Matic SuperShield?
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